Flareon-GX

Heat Stage 30

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

Bright Flame 190

Discard 2 Fire Energy from this Pokémon.

Power Burner-GX 20×

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.)