Mega Gardevoir ex

Overflowing Wishes: For each of your Benched Pokémon, search your deck for a Basic Psychic Energy card and attach it to that Pokémon. Then, shuffle your deck. | Mega Symphonia (50×): This attack does 50 damage for each Psychic Energy attached to all of your Pokémon. | Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards. | Mega Evolution ex Rule: When your Mega Evolution Pokémon ex is Knocked Out, your opponent takes 3 Prize cards.