Grimgrin, Corpse-Born {3}{U}{B}
Legendary Creature — Zombie Warrior
Grimgrin enters tapped and doesn't untap during your untap step.
Sacrifice another creature: Untap Grimgrin and put a +1/+1 counter on it.
Whenever Grimgrin attacks, destroy target creature defending player controls, then put a +1/+1 counter on Grimgrin.
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Traxos, Scourge of Kroog 100%
$0.38#3922
"this card enters tapped and doesn't untap during your untap step."