Roaring Moon ex - 262/182 - Holofoil SV04 Paradox Rift - 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.