Regulation Set M-C Starts in Pokemon Champions on Sept. 8

Pokemon Champions players should be ready for the next ruleset change, with Regulation Set M-C scheduled to begin on Sept. 8, 2026. The update marks the next competitive rotation for the standalone doubles format, so any teams built for the previous regulation may need to be reviewed before queueing into ranked play or preparing for events.

The key takeaway is simple: do not assume an older team remains legal or optimal once M-C goes live. Regulation changes can affect which Pokemon, Mega Evolutions, or team structures are allowed, and even small legality shifts can reshape matchup planning. If you have been testing under the current ladder rules, use the remaining time to confirm your roster, item choices, and Stat Point spreads still make sense under the new environment.

For Pokemon Champions, this is especially important because the game’s competitive identity is separate from Scarlet and Violet VGC. There is no Tera, Dynamax, or Z-Move layer to patch bad positions, so regulation changes can have a direct impact on lead choices, speed control, defensive benchmarks, and Mega slot selection.

Expect early M-C play to be volatile while players identify the safest cores and punish outdated builds.

Source: gonintendo.com