オルタージェネシス (orutajeneshisu) is a Pokémon expansion with set code ja-sm12. The Trademeup catalog tracks 119 cards from this set. Release date: Sep 6, 2019. Expansions released around the same time: Hidden Fates and TAG TEAM GX タッグオールスターズ (TAG TEAM GX tagguorusutazu).
