Dusknoir

Ability: Cursed Blast

You may put up to 10 damage counters on 1 of your opponent's Pokémon, if you do, Knock Out this Pokémon. You may only use 1 Cursed Blast Ability per turn

Dark Mist • 60

During your opponent's next turn, your opponent's Pokémon in play have no Abilities. (This includes Pokémon that come into play that turn.)