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Champions Data & Methodology

Where our roster, rankings and usage stats come from.

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Sources at a glance

Battle roster

Editor-maintained

Available Pokémon, checked against Bulbapedia and Serebii.

Regulation sets

Hand-maintained

Season dates and rules from official announcements. Check the in-game regulation screen for the latest restrictions.

Tier list & sample teams

Editorial projection

Our picks based on competitive roles, past performance and Champions’ Mega Evolution rules.

Usage statistics

Showdown ladder · updated Oct 3, 2026

Monthly Pokémon, move, item, ability and teammate usage from Smogon’s Pokémon Showdown statistics. These cover Showdown’s Champions formats, separate from the in-game ladder.

Battle roster

Pages like the battle roster, regulation pages and the team builder share a species-level roster derived from the official M-C eligible list. The regulation page preserves exact form entries; the browse roster groups those forms under 231 National Pokédex species. The move and item reference pools still use dated M-B data and do not verify M-C sets.

Source: Bulbapedia / Serebii · Updated: Oct 3, 2026 (m-c-2026-09-09)

Showdown usage stats

Usage figures on the regulation pages are imported monthly from Smogon's Pokémon Showdown usage statistics for the Champions formats (including M-C when published, at the 1760-rating cutoff).

  • Showdown and the in-game ladder have different players and may favor different teams.
  • Smogon weights usage percentages by player rating at the stated cutoff.

Source: Smogon / Pokémon Showdown usage statistics · Updated: Oct 3, 2026 (2026-09) · About these stats

Update policy

  • Regulation changes are transcribed from official announcements when a new set is announced or amended.
  • Roster pages show when their information was last updated.
  • An update notice appears when roster information is more than 90 days old.
  • Corrections that change our advice receive a note on the affected page.