Cresselia 64

Search your deck for a Psychic Energy card and attach it to 1 of your Pokémon. If you go second and it's your first turn, instead search for up to 3 Psychic Energy cards and attach them to 1 of your Pokémon. Then, shuffle your deck. Damage:

If you have at least 5 Energy in play, this attack does 90 more damage. Damage: 30+