UPDATE
Pokémon Champions Regulation Set M-C starts September 8
Regulation Set M-C runs from September 8 to December 1, adding six Mega Evolutions and 24 newly available Pokémon, including Rillaboom.
Previously eligible Pokémon remain legal. Mega Salamence, Mega Golisopod and Mega Baxcalibur join the roster alongside Mega Absol Z, Mega Garchomp Z and Mega Lucario Z.
The update also makes 24 additional Pokémon available for battle. Check Recruit → Recruit Pokémon → Roster Info in the game for the complete legal roster before building a team.
Available until
The Pokémon Company InternationalRead the official source ↗