Tyrrn, the Villainous

Deathtouch
Other zombies, Skeletons, Spirits and Warlocks you control get +1/+1.
Sacrifice a Zombie, Skeleton, Spirit or
Warlock: Monstrosity 2 (If this permanent
isn't monstrous, put 2 +1/+1 counters on it and
it becomes monstrous.)