Grimgrin, Corpse-Born
{3}{U}{B}
Legendary Creature -- Zombie Warrior
5/5
~this~ enters tapped and doesn't untap during your untap step.
Sacrifice another creature: Untap ~this~ and put a +1/+1 counter on it.
Whenever ~this~ attacks, destroy target creature defending player controls, then put a +1/+1 counter on ~this~.