Beifong's Bounty Hunters + Carrion Feeder + Chocobo Racetrack

Beifong's Bounty Hunters

Carrion Feeder

Chocobo Racetrack

How it works

1. Activate Carrion Feeder by sacrificing another nonland creature you control.
2. When the creature dies, Beifong's Bounty Hunters triggers, earthbending a land.
3. Resolve the Carrion Feeder ability.
4. Activate Carrion Feeder by sacrificing the land.
5. When the land dies, Beifong's Bounty Hunters triggers, returning the land from your graveyard to the battlefield tapped.
6. When the land enters, Chocobo Racetrack triggers, creating a creature token.
7. Resolve the Carrion Feeder ability.
8. Repeat.