Ix' Ultorke, The First Lich

Hexproof, Indestructable, deathtouch
Ix' Ultorke, The First Lich enters the battlefield
with 5 immortal counters.
If Ix' Ultorke, The First Lich has no immortal counters sacrifice
Ix' Ultorke, The First Lich.
At the beginning of your upkeep if no creature
died last turn
remove an immortal counter
{p/b}: Sacrifice a creature