Nekros, Manipulator of Souls

Whenever Nekros enters or attacks, create two 1/1 black Grineer zombie creature tokens with deathtouch.
Desecration-Create a treasure token whenever a creature dies.
Shadows of the Dead-{4}{t}: Create half as many 1/1 black Grineer zombie creature tokens with deathtouch as there are creatures in all graveyards.
(Attack power is equal to the amount of token creatures you control)