Dusknoir (CEC #85)

Ability • Grim Marking

If this Pokémon is your Active Pokémon and is Knocked Out by damage from an opponent's attack, put 4 damage counters on your opponent's Pokémon in any way you like.

During your next turn, this Pokémon's Psych Up attack does 60 more damage (before applying Weakness and Resistance).