This gift was given away to participants of the 2017 International Challenge July Competition (Weakness Cup).
Participants were required to take part in at least 3 battles of the Online Competition, with a game synced game and account.
WC 1619: メガストーン プレゼント
0x2C Thank you for playing Pokémon! Please pick up your gift from the deliveryman in any Pokémon Center.