Peregrin Took + Cauldron Familiar + Spawning Pit + Garrison Excavator

Peregrin Took

Cauldron Familiar

Spawning Pit

Garrison Excavator

How it works

1. Activate Spawning Pit's first ability by sacrificing Cauldron Familiar.
2. Activate Cauldron Familiar by sacrificing a Food, returning Cauldron Familiar to the battlefield from your graveyard.
3. Cauldron Familiar and Garrison Excavator trigger.
4. Resolve the Garrison Excavator trigger, creating a token and a Food token.
5. Resolve the Cauldron Familiar trigger, causing each opponent to lose 1 life and you to gain 1 life.
6. Repeat