This gift was distributed when players purchase the downloadable version of Pokémon Sword & Shield from the Nintendo eShop. The purchase period, to qualify, is between November 15, 2019 to January 15, 2020. 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.
Format Ver.2.0.0-8, Post Updated Date:20200320_2155