Manus, Father of the Abyss

As long as your devotion to {b} is less than five, Manus ins't a creature.
Attacking creatures you control have deathtouch.
Sacrifice a creature: choose a creature from a graveyard and put into your battlefield. Creature has haste and +1/+1. Exile that crreature at the end of turn.
"Thou must face Manus, Father of the Abyss. The Dark emanates from Manus himself." -Gough