Rakdos' Contract

Enchant Creature.
Enchanted creature has deathtouch and "When
this creature leaves the battlefield, return it to the battlefield tapped with a -1/-1 counter on it and
with this aura attached to it."
At the beginning of your upkeep if you control no imps, devils or demons, sacrifice Rakdos' Contract.
I will face God and walk backwards into Hell.