Beifong's Bounty Hunters + Grimgrin, Corpse-Born + Chocobo Racetrack

Beifong's Bounty Hunters

Grimgrin, Corpse-Born

Chocobo Racetrack

How it works

1. Activate Grimgrin by sacrificing another nonland creature you control.
2. When the creature dies, Beifong's Bounty Hunters triggers, earthbending a land.
3. Resolve the Grimgrin ability.
4. Activate Grimgrin 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 Grimgrin ability.
8. Repeat.