Ninetales ex 186/165 (Pokémon 151)

Attacks

Heat Wave (30): Your opponent's Active Pokémon is now Burned.

Mirrored Flames (80+): If you have the same number of cards in your hand as your opponent, this attack does 140 more damage.

Rules

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