Nidoqueen SKR H21

Once during your turn (before you attack) if Nidoqueen is on your bench, you may search your deck for a card that evolves from your Active Pokémon and attach it to your Active Pokémon. (this counts as evolving that Pokémon) Shuffle your deck afterward.

Flip 2 coins. This attack does 30 damage plus 20 more damage for each heads.