Ilharg Almighty

Trample, Shroud
Ilharg Almighty can't be sacrificed.
Creatures have "{4}{r/g}: This creature fights a
creature named Ilharg Almighty. At the beginning
of the next end step, if Ilharg Almighty is in a
graveyard and this creature was the last to
activate this ability and is on the battlefield,
you win the game."
You cannot fight chaos and expect to win.