Mega Blastoise

Mega Blastoise is ranked #301 by usage in every Champions format published here, on 0.00% of teams (1 rosters). Those rosters have won 49.72% of 20 games, below the 50% line. Usage says how many players trusted it; the win rate says how those games went.

Mega Blastoise is Water, a single type Pokémon.

The most-played build is Blastoisinite with Mega Launcher and a Modest nature, running Dark Pulse, Fake Out, Shell Smash and Water Spout. It is on 100.00% of Mega Blastoise rosters and has won 50.20% of 20 games.

The full build table, every slot and every spread, is above on this page.

Blastoisinite, on 100.00% of Mega Blastoise rosters.

Mega Launcher, on 100.00% of rosters. The slot is effectively fixed, so it is not a build decision.

The four most-run moves are Dark Pulse, Fake Out, Shell Smash and Water Spout.

Modest on 100.00% of rosters.

Spreads are a separate board: open the EV Spreads tab above for the ones published with a list.

Basculegion is the most common, on 100.00% of Mega Blastoise rosters. The win rate beside each one is that pair's record, not the partner's own.

Name	Share of Mega Blastoise rosters	Win rate
Basculegion	100.00%	50.20%
Kommo-o	100.00%	50.20%
Mega Charizard Y	100.00%	50.20%
Sneasler	100.00%	50.20%
Vivillon	100.00%	50.20%

Tournament decklists and real match records for Pokémon Champions, ingested from Limitless, Victory Road and the official circuit. These answers read every Champions format published here, which is what the format picker in the header starts on; change it and the tables above follow, but these answers do not. Win rates are shrunk toward the field average rather than printed raw, so a thin sample cannot top a board. A win rate is a team's record credited to each species on it, and items, abilities, moves and natures come only from teams that published a list. The figures in these answers are from the board published 2026-09-28; the tables above are live.

The method, in full, including every threshold in force.