SkyLink98

Starting from Nov 6 to Nov 10 2020, the official poke_times Twitter Account started an event challenge to commemorate the release of The Crown Tundra DLC. Only 10.000 winners will be able to redeem this event code. The details about this campaign can be found here: https://www.pokemon.co.jp/info/2020/11/201106_cm01.html
As of LGPE, wonder cards are no longer stored in saves. As such, players will not be able to inject this event into their save using PKHeX.
 Wonder Card ID #0136: Big Nuggets Gift   Here's what you got:    Big Nugget x50                                   Serial Code | SWSH | Only One Allowed | Nov 11 to Dec 31, 2020 Format Ver.2.0.0-12b, Post Updated Date:20201112_1559

This Pokémon was distributed via serial code to players of Pokémon Sword and Shield at Pokémon Centers in Singapore from November 6, 2020. The Pokémon was given during the user's Birthday month only if one brings valid identity document and a Nintendo Switch console with a copy of Sword or Shield.

   Wonder Card ID #0125: Happy Birthday!  Species   Milcery   TID   201101   Distribution   Serial Code   Location   a Pokémon Center   Dates   Nov 06, '20 to Jan 31, '22   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Sweet Veil (1)   Item   Star Sweet    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 5       Moves   (ITALIC means Relearnable)   Celebrate   Last Resort   Entrainment   Attract

Birthday Ribbon  Lang
 Slot  Mon's
 Lang  Nickname  OT Name OT's 
Lang   JPN  Milcery  PCSG  ENG  ENG  Milcery  PCSG  ENG  FRE  Milcery  PCSG  ENG  ITA  Milcery  PCSG  ENG  GER  Milcery  PCSG  ENG  SPA  Milcery  PCSG  ENG  KOR  Milcery  PCSG  ENG  CHS  Milcery  PCSG  ENG  CHT  Milcery  PCSG  ENG Only One Redemption Allowed  Format Ver.2.0.0-12b, Post Updated Date:20201106_0036

This Pokémon was distributed via serial code to players of Pokémon Sword and Shield at Pokémon Centers in Singapore from November 6, 2020. The Pokémon wa given during the user's Birthday month only if one brings valid identity document and a Nintendo Switch console with a copy of Sword or Shield.

   Wonder Card ID #0125: Happy Birthday!  Species   Milcery   TID   201101   Distribution   Serial Code   Location   a Pokémon Center   Dates   Nov 06, '20 to Jan 31, '22   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Sweet Veil (1)   Item   Ribbon Sweet    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 5       Moves   (ITALIC means Relearnable)   Celebrate   Last Resort   Entrainment   Attract

Birthday Ribbon  Lang
 Slot  Mon's
 Lang  Nickname  OT Name OT's 
Lang   JPN  Milcery  PCSG  ENG  ENG  Milcery  PCSG  ENG  FRE  Milcery  PCSG  ENG  ITA  Milcery  PCSG  ENG  GER  Milcery  PCSG  ENG  SPA  Milcery  PCSG  ENG  KOR  Milcery  PCSG  ENG  CHS  Milcery  PCSG  ENG  CHT  Milcery  PCSG  ENG Only One Redemption Allowed  Format Ver.2.0.0-12b, Post Updated Date:20201106_0032

This event was announced during the Crown Tundra premiere in September 29th, 2020. Starting from October 30th, this Pikachu can be redeemed with the code K1NP1KA1855. This is the last Hat Pikachu available through Mystery Gift on Sword and Shield.

   Wonder Card ID #1634: Pikachu (World Cap) Gift  Species   Pikachu (World Cap)   TID   201023   Distribution   Serial Code   Location   a Pokémon TV program   Dates   Oct 30 to Nov 30, 2020   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Static (1)   Item   Light Ball    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 25       Moves   (ITALIC means Relearnable)   Thunderbolt   Quick Attack   Iron Tail   Electroweb   Extra Relearnable:   Volt Tackle

Classic Ribbon  Lang
 Slot    Mon's
 Lang    Nickname    OT Name   OT's 
Lang   JPN      (default name)    サトシ    JPN  ENG      (default name)    Ash    ENG  FRE      (default name)    Sacha    FRE  ITA      (default name)    Ash    ITA  GER      (default name)    Ash    GER  SPA      (default name)    Ash    SPA  KOR      (default name)    지우    KOR  CHS      (default name)    小智    CHS  CHT      (default name)    小智    CHT Only One Redemption Allowed  Format Ver.2.0.0-11b, Post Updated Date:20201101_2118

This Pokémon was distributed via serial code to players of Pokémon Sword and Shield at Pokémon Centers in Japan from November 1, 2020. The Pokémon was given during the user's Birthday month only if one brings a valid identity document and a Nintendo Switch console with a copy of Sword or Shield. The present can also be redeemed by making an online request in the official Pokémon Center site.
Starting from the 6th November, 2020 a new version of the card has been uploaded by Nintendo. The change made only regard the Set Nickname flag.

   Wonder Card ID #0122: Happy Birthday!  Species   Milcery   TID   201101   Distribution   Serial Code   Location   a Pokémon Center   Dates   Nov 01, '20 to Jan 31, '22   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Sweet Veil (1)   Item   Star Sweet    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 5       Moves   (ITALIC means Relearnable)   Celebrate   Last Resort   Entrainment   Attract

Birthday Ribbon  Lang
 Slot  Mon's
 Lang  Nickname  OT Name OT's 
Lang   JPN  マホミル  ポケセン  JPN  ENG  マホミル  ポケセン  JPN  FRE  マホミル  ポケセン  JPN  ITA  マホミル  ポケセン  JPN  GER  マホミル  ポケセン  JPN  SPA  マホミル  ポケセン  JPN  KOR  マホミル  ポケセン  JPN  CHS  マホミル  ポケセン  JPN  CHT  マホミル  ポケセン  JPN Only One Redemption Allowed  Format Ver.2.0.0-12b, Post Updated Date:20201106_0011
Previous wondercard info:

This Pokémon was distributed via serial code to players of Pokémon Sword and Shield at Pokémon Centers in Japan from November 1, 2020. The Pokémon was given during the user's Birthday month only if one brings valid identity document and a Nintendo Switch console with a copy of Sword or Shield. The present can also be redeemed by making an online request in the official Pokémon Center site.
Starting from the 6th November, 2020 a new version of the card has been uploaded by Nintendo. The change made only regard the Set Nickname flag.

   Wonder Card ID #0122: Happy Birthday!  Species   Milcery   TID   201101   Distribution   Serial Code   Location   a Pokémon Center   Dates   Nov 01, '20 to Jan 31, '22   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Sweet Veil (1)   Item   Ribbon Sweet    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 5       Moves   (ITALIC means Relearnable)   Celebrate   Last Resort   Entrainment   Attract

Birthday Ribbon  Lang
 Slot  Mon's
 Lang  Nickname  OT Name OT's 
Lang   JPN  マホミル  ポケセン  JPN  ENG  マホミル  ポケセン  JPN  FRE  マホミル  ポケセン  JPN  ITA  マホミル  ポケセン  JPN  GER  マホミル  ポケセン  JPN  SPA  マホミル  ポケセン  JPN  KOR  マホミル  ポケセン  JPN  CHS  マホミル  ポケセン  JPN  CHT  マホミル  ポケセン  JPN Only One Redemption Allowed  Format Ver.2.0.0-12b, Post Updated Date:20201106_0003
Previous wondercard info:

This event was announced during the Crown Tundra premiere in September 29th, 2020. Starting from October 23th, this Pikachu can be redeemed with the code ULTRAP1KA. This is the seventh Hat Pikachu available through Mystery Gift on Sword and Shield.

   Wonder Card ID #1632: Pikachu (Alola Cap) Gift  Species   Pikachu (Alola Cap)   TID   201023   Distribution   Serial Code   Location   a Pokémon TV program   Dates   Oct 23 to Nov 30, 2020   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Static (1)   Item   None    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 25       Moves   (ITALIC means Relearnable)   Thunderbolt   Quick Attack   Iron Tail   Electroweb   Extra Relearnable:   Volt Tackle

Classic Ribbon  Lang
 Slot    Mon's
 Lang    Nickname    OT Name   OT's 
Lang   JPN      (default name)    サトシ    JPN  ENG      (default name)    Ash    ENG  FRE      (default name)    Sacha    FRE  ITA      (default name)    Ash    ITA  GER      (default name)    Ash    GER  SPA      (default name)    Ash    SPA  KOR      (default name)    지우    KOR  CHS      (default name)    小智    CHS  CHT      (default name)    小智    CHT Only One Redemption Allowed  Format Ver.2.0.0-11b, Post Updated Date:20201101_2117

This gift is distributed to players via a serial code, given in participating stores in Europe, from 25 September to 25 October 2020.
The codes are redeemable until January 31st, 2021 (Thanks @AlamosIT for the report).
Using the Dynamax Crystal would allow the Pokémon to appear at the Watchtower Lair's Den as a max raid.
The Pokémon can be Shiny with standard odds. Attached there are the wonder card, the standard Pokémon and the Shiny variation.
To be able to use the items associated with the event, including injecting items into the save and getting it to work,
the player's Switch must be connected to the internet, with the Mystery Gift>Get Wild Area News option used during the event period.
Alternatively the player must have connected to the internet and redeemed a Mystery Gift during the event period.
This gift can be redeemed on either Sword or Shield.
This events also has a certain fixed IVs.
As of time of writing, end date for the serial code redemption is presently unknown.
In order for the item (whether redeemed or hacked in) to function, players would need to have at least Wild Area Event #24 downloaded into the save.
(When collecting a Mystery Gift, a copy of the Wild Area News would be downloaded to the save) As of LGPE, wonder cards are no longer stored in saves. As such, players will not be able to inject this event into their save using PKHeX.
  Wonder Card ID #0506: Dynamax Crystal Gift   Here's what you got:    ★Sgr6859 x1                                  Serial Code | SWSH | Only One Allowed | Sep 25, '20 to Jan 01, '21 Original news with more details:
 

This event was announced during the Crown Tundra premiere in September 29th, 2020. Starting from October 18th, this Pikachu can be redeemed with the code KAL0SP1KA. This is the sixth Hat Pikachu available through Mystery Gift on Sword and Shield.

   Wonder Card ID #1631: Pikachu (Kalos Cap) Gift  Species   Pikachu (Kalos Cap)   TID   201023   Distribution   Serial Code   Location   a Pokémon TV program   Dates   Oct 18 to Nov 30, 2020   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Static (1)   Item   None    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 25       Moves   (ITALIC means Relearnable)   Thunderbolt   Quick Attack   Iron Tail   Electroweb   Extra Relearnable:   Volt Tackle

Classic Ribbon  Lang
 Slot    Mon's
 Lang    Nickname    OT Name   OT's 
Lang   JPN      (default name)    サトシ    JPN  ENG      (default name)    Ash    ENG  FRE      (default name)    Sacha    FRE  ITA      (default name)    Ash    ITA  GER      (default name)    Ash    GER  SPA      (default name)    Ash    SPA  KOR      (default name)    지우    KOR  CHS      (default name)    小智    CHS  CHT      (default name)    小智    CHT Only One Redemption Allowed  Format Ver.2.0.0-11b, Post Updated Date:20201101_2114

This event was announced during the Crown Tundra premiere in September 29th, 2020. Starting from October 16th, this Pikachu can be redeemed with the code P1KABESTW1SH. This is the fifth Hat Pikachu available through Mystery Gift on Sword and Shield.

   Wonder Card ID #1630: Pikachu (Unova Cap) Gift  Species   Pikachu (Unova Cap)   TID   201023   Distribution   Serial Code   Location   a Pokémon TV program   Dates   Oct 16 to Nov 30, 2020   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Static (1)   Item   None    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 25       Moves   (ITALIC means Relearnable)   Thunderbolt   Quick Attack   Iron Tail   Electroweb   Extra Relearnable:   Volt Tackle

Classic Ribbon  Lang
 Slot    Mon's
 Lang    Nickname    OT Name   OT's 
Lang   JPN      (default name)    サトシ    JPN  ENG      (default name)    Ash    ENG  FRE      (default name)    Sacha    FRE  ITA      (default name)    Ash    ITA  GER      (default name)    Ash    GER  SPA      (default name)    Ash    SPA  KOR      (default name)    지우    KOR  CHS      (default name)    小智    CHS  CHT      (default name)    小智    CHT Only One Redemption Allowed  Format Ver.2.0.0-11b, Post Updated Date:20201101_2113

This event was announced during the Crown Tundra premiere in September 29th, 2020. Starting from October 9th, this Pikachu can be redeemed with the code V0LTTACKLEP1KA. This is the fourth Hat Pikachu available through Mystery Gift on Sword and Shield.

   Wonder Card ID #1629: Pikachu (Sinnoh Cap) Gift  Species   Pikachu (Sinnoh Cap)   TID   201023   Distribution   Serial Code   Location   a Pokémon TV program   Dates   Oct 09 to Nov 30, 2020   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Static (1)   Item   None    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 25       Moves   (ITALIC means Relearnable)   Thunderbolt   Quick Attack   Iron Tail   Electroweb   Extra Relearnable:   Volt Tackle

Classic Ribbon  Lang
 Slot    Mon's
 Lang    Nickname    OT Name   OT's 
Lang   JPN      (default name)    サトシ    JPN  ENG      (default name)    Ash    ENG  FRE      (default name)    Sacha    FRE  ITA      (default name)    Ash    ITA  GER      (default name)    Ash    GER  SPA      (default name)    Ash    SPA  KOR      (default name)    지우    KOR  CHS      (default name)    小智    CHS  CHT      (default name)    小智    CHT Only One Redemption Allowed  Format Ver.2.0.0-11b, Post Updated Date:20201101_2110

This event was announced during the Crown Tundra premiere in September 29th, 2020. Starting from October 2nd, this Pikachu can be redeemed with the code P1KAADVANCE. This is the third Hat Pikachu available through Mystery Gift on Sword and Shield.

   Wonder Card ID #1628: Pikachu (Hoenn Cap) Gift  Species   Pikachu (Hoenn Cap)   TID   201023   Distribution   Serial Code   Location   a Pokémon TV program   Dates   Oct 02 to Nov 30, 2020   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Static (1)   Item   None    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 25       Moves   (ITALIC means Relearnable)   Thunderbolt   Quick Attack   Iron Tail   Electroweb   Extra Relearnable:   Volt Tackle

Classic Ribbon  Lang
 Slot    Mon's
 Lang    Nickname    OT Name   OT's 
Lang   JPN      (default name)    サトシ    JPN  ENG      (default name)    Ash    ENG  FRE      (default name)    Sacha    FRE  ITA      (default name)    Ash    ITA  GER      (default name)    Ash    GER  SPA      (default name)    Ash    SPA  KOR      (default name)    지우    KOR  CHS      (default name)    小智    CHS  CHT      (default name)    小智    CHT Only One Redemption Allowed  Format Ver.2.0.0-11b, Post Updated Date:20201101_2109

This Charizard and a special Mewtwo for Pokémon Let's Go are redeemable through a local distribution in occasion of the screening of  the Pokémon Movie 22: Mewtwo Strikes Back Evolution in Korean cinemas.

   Wonder Card ID #1007: 지우's Charizard  Species   Charizard   TID   200930   Distribution   Serial Code   Location   a Pokémon movie   Dates   Sep 30 to Nov 30, 2020   PID   Cannot Be Shiny   Games   SWSH   Nature   Adamant   Ability   Blaze (1)   Item   None    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 50       Moves   (ITALIC means Relearnable)   Flamethrower   Dragon Tail   Slash   Seismic Toss

Wishing Ribbon  Lang
 Slot    Mon's
 Lang    Nickname    OT Name   OT's 
Lang   JPN      리자몽    지우    KOR  ENG      리자몽    지우    KOR  FRE      리자몽    지우    KOR  ITA      리자몽    지우    KOR  GER      리자몽    지우    KOR  SPA      리자몽    지우    KOR  KOR      리자몽    지우    KOR  CHS      리자몽    지우    KOR  CHT      리자몽    지우    KOR Only One Redemption Allowed  Format Ver.2.0.0-11b, Post Updated Date:20201101_2112

This event was announced during the Crown Tundra premiere. Starting from September 29th 2020, this Pikachu can be redeemed with the code P1KACHUGET. This event will be followed by the other Hat Pikachus.

   Wonder Card ID #1627: Pikachu (Original Cap) Gift  Species   Pikachu (Original Cap)   TID   201023   Distribution   Serial Code   Location   a Pokémon TV program   Dates   Sep 29 to Nov 30, 2020   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Static (1)   Item   None    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 25       Moves   (ITALIC means Relearnable)   Thunderbolt   Quick Attack   Iron Tail   Electroweb   Extra Relearnable:   Volt Tackle

Classic Ribbon  Lang
 Slot    Mon's
 Lang    Nickname    OT Name   OT's 
Lang   JPN      (default name)    サトシ    JPN  ENG      (default name)    Ash    ENG  FRE      (default name)    Sacha    FRE  ITA      (default name)    Ash    ITA  GER      (default name)    Ash    GER  SPA      (default name)    Ash    SPA  KOR      (default name)    지우    KOR  CHS      (default name)    小智    CHS  CHT      (default name)    小智    CHT Only One Redemption Allowed  Format Ver.2.0.0-11b, Post Updated Date:20201101_2111

This event is available starting from September 29th 2020 together with the Original Cap Pikachu. 
This event has been announced through the official Pokémon website.
The redemption code is 1CH00SEY0U.

   Wonder Card ID #1633: Pikachu (Partner Cap) Gift  Species   Pikachu (Partner Cap)   TID   201023   Distribution   Serial Code   Location   a Pokémon TV program   Dates   Sep 29 to Nov 30, 2020   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Static (1)   Item   None    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 25       Moves   (ITALIC means Relearnable)   Thunderbolt   Quick Attack   Iron Tail   Electroweb   Extra Relearnable:   Volt Tackle

Classic Ribbon  Lang
 Slot    Mon's
 Lang    Nickname    OT Name   OT's 
Lang   JPN      (default name)    サトシ    JPN  ENG      (default name)    Ash    ENG  FRE      (default name)    Sacha    FRE  ITA      (default name)    Ash    ITA  GER      (default name)    Ash    GER  SPA      (default name)    Ash    SPA  KOR      (default name)    지우    KOR  CHS      (default name)    小智    CHS  CHT      (default name)    小智    CHT Only One Redemption Allowed  Format Ver.2.0.0-11b, Post Updated Date:20201101_2126

This is a save file with a recreation of 426 Legal ROCKS METANG.
This event was distribuited to players during the Rocks America Tour in 2005. 
Pokémon Characteristics: 
TID 02005, SID 00000, OT Male ROCKS, National Ribbon
Moves: Take Down, Confusion, Metal Claw, Refresh
Origin Game Ruby, Fateful Encounter as Met Location, Caught in Pokéball, Met at Level 30
ENG, Lvl 30, Clear Body as Ability
PID and IVs matching the 10 ANNIV Distribution Method.

This save file is based on @GalosAlan10 and @Sabresite's Celebi Save File:

ROCKS Metang share the same generation algorithm as 10 ANIV and Aura Mew Events: 
 

Starting from December 4 2020, by spending at least 1000 yen at Mister Donut, you can receive a serial code to redeem Chansey in Sword and Shield as well as some goodies.

   Wonder Card ID #0124: ミスド's Chansey  Species   Chansey   TID   201204   Distribution   Serial Code   Location   a lovely place   Dates   Dec 04, '20 to Feb 05, '21   PID   Cannot Be Shiny   Games   SWSH   Nature   Random   Ability   Natural Cure (1) or Serene Grace (2)   Item   Lucky Egg    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 7       Moves   (ITALIC means Relearnable)   Present   Sweet Kiss   Charm   Soft-Boiled

Classic Ribbon  Lang
 Slot  Mon's
 Lang  Nickname  OT Name OT's 
Lang   JPN  ラッキー  ミスド  JPN  ENG  ラッキー  ミスド  JPN  FRE  ラッキー  ミスド  JPN  ITA  ラッキー  ミスド  JPN  GER  ラッキー  ミスド  JPN  SPA  ラッキー  ミスド  JPN  KOR  ラッキー  ミスド  JPN  CHS  ラッキー  ミスド  JPN  CHT  ラッキー  ミスド  JPN Multiples Redemptions Allowed  Format Ver.2.0.0-13b, Post Updated Date:20201204_0948

This event has been made available via serial code to players who attended at the screenings of either Pokémon Heroes: Latios & Latias, Jirachi: Wish Maker, or The Rise of Darkrai in commemoration of the Pokémon's 25th anniversary.

   Wonder Card ID #0145: サトシ's Pikachu  Species   Pikachu (World Cap)   TID   970401   Distribution   Serial Code   Location   a 2022 Pokémon movie   Dates   Aug 11 to Sept 30, 2022   PID   Cannot Be Shiny   Games   SWSH   Nature   Hardy   Ability   Static (1)   Item   Light Ball    IVs   EVs HP 31   ALL
0 ATK 30   DEF 30   S.ATK 31   S.DEF 30   SPE 31  
  Lv. 80       Moves   (ITALIC means Relearnable)   Thunderbolt   Quick Attack   Iron Tail   Electroweb

Alola Champion Ribbon  Lang
 Slot  Mon's
 Lang  Nickname  OT Name OT's 
Lang   JPN  ピカチュウ  サトシ  JPN  ENG  ピカチュウ  サトシ  JPN  FRE  ピカチュウ  サトシ  JPN  ITA  ピカチュウ  サトシ  JPN  GER  ピカチュウ  サトシ  JPN  SPA  ピカチュウ  サトシ  JPN  KOR  ピカチュウ  サトシ  JPN  CHS  ピカチュウ  サトシ  JPN  CHT  ピカチュウ  サトシ  JPN Multiples Redemptions Allowed  Format Ver.2.1.2-12, Post Updated Date:20220811_1901

This event has been made available with serial code GANJ 0UAG 0882, announced during the Pokémon anime TV broadcast in Japan.
The wonder card was incorrectly programmed as Male. However despite this oversight, when received legtimately in-game, it would be correctly genderless.
If users were to use PKHeX to create one, they should instead drag in the Gender fixed for PKHeX usage file instead.

   Wonder Card ID #0146: サトシ's Dracovish  Species   Dracovish   TID   210108   Distribution   Serial Code   Location   the Pokémon animated show   Dates   Aug 12 to Aug 25, 2022   PID   Cannot Be Shiny   Games   SWSH   Nature   Naive   Ability   Strong Jaw (2)   Item   None    IVs   EVs HP 30   ALL
0 ATK 31   DEF 31   S.ATK 30   S.DEF 30   SPE 31  
  Lv. 80       Moves   (ITALIC means Relearnable)   Fishious Rend   Dragon Rush   Ice Fang   Water Gun

Classic Ribbon  Lang
 Slot  Mon's
 Lang  Nickname  OT Name OT's 
Lang   JPN  ウオノラゴン  サトシ  JPN  ENG  ウオノラゴン  サトシ  JPN  FRE  ウオノラゴン  サトシ  JPN  ITA  ウオノラゴン  サトシ  JPN  GER  ウオノラゴン  サトシ  JPN  SPA  ウオノラゴン  サトシ  JPN  KOR  ウオノラゴン  サトシ  JPN  CHS  ウオノラゴン  サトシ  JPN  CHT  ウオノラゴン  サトシ  JPN Only One Redemption Allowed  Format Ver.2.1.2-12, Post Updated Date:20220812_1017

This event has been made available for players via local wireless connection during the 2022 World Championship in London.
Thanks to @zaksabeast for this contribution!
The developers of this event incorrectly made the wonder card be set to random gender (Male or Female). However, the Sinistea will be correctly genderless when received in-game.

   Wonder Card ID #0525: Sinistea with Celebrate Gift  Species   Sinistea [Antique]   TID   220818   Distribution   Local Wireless     Location   WCS 2022   Dates   Aug 18 to 21, 2022   PID   Cannot Be Shiny   Games   SWSH   Nature   Random   Ability   Cursed Body (HA)   Item   Moomoo Milk    IVs   EVs HP ALL
RND   ALL
0 ATK DEF S.ATK S.DEF SPE
  Lv. 50       Moves   (ITALIC means Relearnable)   Memento   Metronome   Aromatherapy   Celebrate

Event Ribbon  Lang
 Slot  Mon's
 Lang  Nickname  OT Name OT's 
Lang   JPN  (default)  ＷＣＳ２２  -  ENG  (default)  WCS22  -  FRE  (default)  WCS22  -  ITA  (default)  WCS22  -  GER  (default)  WCS22  -  SPA  (default)  WCS22  -  KOR  (default)  ＷＣＳ２２  -  CHS  (default)  ＷＣＳ２２  -  CHT  (default)  ＷＣＳ２２  - Only One Redemption Allowed  Format Ver.2.1.2-12, Post Updated Date:20220818_2116

This event was released to celebrate the launch of Pokémon Scarlet and Pokémon Violet. Players could acquire the event codes in selected stores around the globe.
Even if the official release date was meant to be September 16, 2022, some users were able to obtain the event codes days before. Those codes couldn't be used until September 15, 2022, when the wondercard was made available in the servers.


 Wonder Card ID #1643: Shiny Eternatus Gift  Species   Eternatus   TID   221118   Distribution   Serial Code   Location   a lovely place   Dates   Sept 16, 2022 to Jan 3, 2023   PID (forced)   D98D2802 (Shiny)   Games   SWSH   Nature   Timid   Ability   Pressure (1)   Item   None    IVs   EVs HP 31   ALL
0 ATK 31   DEF 31   S.ATK 31   S.DEF 31   SPE 31  
  Lv. 100       Moves   (ITALIC means Relearnable)   Eternabeam   Dynamax Cannon   Sludge Bomb   Flamethrower

Classic Ribbon  Lang
 Slot  Mon's
 Lang  Nickname  OT Name OT's 
Lang   JPN  (default)  ガラル  JPN  ENG  (default)  Galar  ENG  FRE  (default)  Galar  FRE  ITA  (default)  Galar  ITA  GER  (default)  Galar  GER  SPA  (default)  Galar  SPA  KOR  (default)  가라르  KOR  CHS  (default)  伽勒尔  CHS  CHT  (default)  伽勒爾  CHT Only One Redemption Allowed  Format Ver.2.1.2-12, Post Updated Date:20220915_0923

The Players Cup 4 was an online tournament where players around the world could take part to win prizes. During the stream, a Gold Bottle Cap was distributed to viewers and players around the world, via serial code PLAYERSCH01CEPC.
 
As of LGPE, wonder cards are no longer stored in saves. As such, players will not be able to inject this event into their save using PKHeX.
 Wonder Card ID #0516: Gold Bottle Cap Gift   Here's what you got:    Gold Bottle Cap x1                                 Serial Code  | SWSH | Only One Allowed | From 17 to 18 July 2021 Format Ver.2.1.0-1b, Post Updated Date:20210717_2244