Krad, the Chosen Zombie

Bushido 4 (When this blocks or becomes blocked, it gets +4/+4 until end of turn.)
When Krad, the Chosen Zombie dies, create a token of this creature, and put it nto the battlefield. Then return Krad, the Chosen Zombie to the battlefield.
Krad, the Chosen Zombie gets +1/+0 for each zombie under your control and in your graveyard.