Gardevoir-GX

Once during your turn (before your attack), you may attach a Fairy Energy card from your hand to 1 of your Pokémon.

Infinite Force

This attack does 30 damage times the amount of Energy attached to both Active Pokémon.

Twilight-GX

Shuffle 10 cards from your discard pile into your deck. (You can't use more than 1 GX attack in a game.)

When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.