Kozilek, completed

Shroud
Annihalator 8
Kozilek, Completed enters the battlefield with X corruption counters on it. At the beginning of your upkeep, sacrifice kozilek unless you pay one corruption counter. (When a creature that entered the battlefield with corruption counters on it is put into a graveyard, return it to the battlefield tapped and under its ower's control with a finality counter on it after 3 turns)
{t}Kozilek, completed does 5 damage to target creature.
{x}{x}{p/c}{p/c} create X 5/5 phyrexian eldrazi