Regulation Set M-B was the second set of organized play rules in Pokémon Champions. It was used for the first time from June 17, 2026 until September 2, 2026.
Ruleset
The season adopts the following ruleset:
Eligibility is limited to the Pokémon listed below
Pokémon may hold held items, however duplicate held items are not allowed.
Mega Evolution is enabled for select Pokémon (see list below), however a player may only Mega Evolve once per battle.
