This gift was given away to participants of the 2017 International Challenge April Competition.
Participants were required to take part in at least 3 battles of the Online Competition, with a game synced game and account.
WC 1613: Mega Stone Gift
0x2C Thank you for playing Pokémon! Please pick up your gift from the deliveryman in any Pokémon Center.
Serial Code | May 30, 2017 - Jun 30, 2017 | US&EU: SM