Chi-Yu ex

Discard the top 2 cards of your opponent's deck.

Choose up to 3 of your Benched Pokémon. For each of those Pokémon, search your deck for a Basic Fire Energy card and attach it to that Pokémon. Then, shuffle your deck.

Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.