Roaring Moon ex (262/182) [SV04 Paradox Rift] Holofoil - Hyper Rare

Knock Out your opponent’s Active Pokémon. If your opponent’s Active Pokémon is Knocked Out in this way, this Pokémon does 200 damage to itself.

You may discard a Stadium in play. If you do, this attack does 120 more damage.