Scope: Pokémon Champions · Ranked Doubles

Regulation M-B

17/06/2026, 09:00 09/09/2026, 09:00 · Vietnam time (UTC+7)

This regulation has ended.

View the in-effect regulation: Regulation M-C

Regulation M-B is a Pokémon Champions Ranked Doubles ruleset; this page explains its rules, verified changes from the previous ruleset and selectable Pokémon.

Each regulation sets which Pokémon can be picked and the conditions for Ranked Battles over a period. No VGC background is needed: the rules section states what to remember, the changes section shows what is new, and the Pokémon section looks up each form.

Overview

Key facts

  • Mega: up to 1 per battle · the transforming Pokémon must hold a Mega Stone
  • Held items: no duplicates
  • Timers: 20 min full battle · 7 min per player · 45s per turn · 90s preview

Changes from M-A

No changes in this group.

Show all changes

Selectable Pokémon

Showing 145–168 of 237 Pokémon forms

Applied filters:
Cosmetic presentation
Alternate form
#0671
Base form
#0675
Base form
#0676
Base form
Alternate form
Alternate form
Base form
Base form
#0687
Base form
Base form
Base form
Base form
Base form
#0699
Base form
#0700
Base form
#0702
Base form
#0706
Base form
#0707
Base form

Mega Evolution

Mega: up to 1 per battle · the transforming Pokémon must hold a Mega Stone

Mega Evolution needs its holder to hold a Mega Stone; the exact Mega Stone per form is not fully verified.

Rules and conditions

The figures below come from the official announcements; each entry explains what it means in battle.

Mega Evolution

Mega: up to 1 per battle · the transforming Pokémon must hold a Mega Stone

Mega Evolution needs its holder to hold a Mega Stone; the exact Mega Stone per form is not fully verified.

Items

Two Pokémon may not hold the same item.

Only the no-duplicate held items rule is verified; there is no complete item list yet.

Timers

The four timers of Regulation M-B
TimersValue and meaning
Total time20 min · The clock for the whole battle, including move selection.
Player time7 min · One player's total thinking time across the battle.
Turn time45s · The window for choosing orders each turn.
Preview time90s · Inspect the opposing team before the battle starts.

Moves and Abilities

No complete Champions move or Ability legality list is verified.

Coverage by dimension

M-B · champions-m4-rules-candidate-2026-09-19
Value and meaningSourcesReason codes
regulation-identityKnownnone
selectable-formKnownnone
transformationUnknownofficial-missing
battle-configuration-and-team-clausesPartialdependency-incomplete
move-membershipPartialsimulator-fallback
ability-slotUnknownnative-observation-missing
item-permissionUnknownofficial-missing
item-availabilityUnknownnative-observation-missing
item-duplicate-clauseKnownnone
training-profilePartialsimulator-fallback, dependency-incomplete
acquisitionUnknownnative-observation-missing, dependency-incomplete
cross-dependencyPartialdependency-incomplete

Declared constraints

  • battle-format: Known
  • unique-item: Known
  • timer: Known
  • timer: Known
  • timer: Known
  • timer: Known

Team

Registered count, battlers sent out, battle level and duplication clauses for Ranked are unverified.

This page never confirms a team as fully legal.

Season mapping is unverified; a regulation is not the same as a season.

Sources

Rules and rosters come from the official in-game announcements; the official schedule correction stays in the update history.

Update history

  • Revision 1 · Announced 17/06/2026 · Superseded revision
  • Revision 2 · Announced 17/06/2026 · Current revision

Checked on 10/09/2026