Flareon-GX

You may attach up to 3 Fire Energy cards from your hand to your Pokémon in any way you like.

Discard 2 Fire Energy from this Pokémon.

This attack does 20 damage for each Fire Energy card in your discard pile. (You can't use more than 1 GX attack in a game.)

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