Dusknoir

It is said to take lost spirits into its pliant body and guide them home.

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.

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