Spawning Pit + Renata, Called to the Hunt

Spawning Pit

Renata, Called to the Hunt

How it works

1. Activate Spawning Pit by sacrificing the persist creature.
2. When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it and at least one +1/+1 counter on it due to Renata.
3. Remove a -1/-1 counter and a +1/+1 counter from that creature as a state-based action.
4. Resolve the Spawning Pit ability.
5. Repeat