Regulation Set M-C Starts September 8 in Pokemon Champions

Pokemon Champions is moving to Regulation Set M-C on September 8, 2026, giving doubles players a clear date to prepare for the next ranked rules environment.

The reminder is mainly a scheduling note, but it matters for anyone testing teams on ladder or preparing for community events. Regulation changes can affect legal species, move access, item choices, and broader matchup planning, so you should avoid locking in practice conclusions from the current format too close to the switch. If you are building around a specific Mega Evolution, speed tier, or defensive SP spread, recheck the new rules before investing too much time into refinements.

For competitive players, the practical move is simple: finish any last-minute goals under the current regulation, then start saving replays and notes from early M-C games once the format goes live. The first few days of a new ruleset are usually volatile, with players testing aggressive cores, matchup traps, and anti-meta counters before the field stabilizes.

PokemonHelper will be watching for the full M-C rules and early ladder trends once the update is active.

Source: GoNintendo