Nikodemos, Aspect of Death

Annihilator 5, Consume 5, Flying, This creature can't leave the battlefield. Sacrifice
X creatures, counter card with manacost X. Whenever a Stygian creature is sacrificed
put a +1/+1 counter on all Stygian creatures you control. {b}{b}: Create X Stygian Draugr creature tokens where X is the number of Stygian creatures you control.