Beifong's Bounty Hunters + Umbral Collar Zealot + Elfsworn Giant

Beifong's Bounty Hunters

Umbral Collar Zealot

Elfsworn Giant

How it works

1. Activate Umbral Collar Zealot by sacrificing another nonland creature you control.
2. When the creature dies, Beifong's Bounty Hunters triggers, earthbending a land.
3. Resolve the Umbral Collar Zealot ability.
4. Activate Umbral Collar Zealot 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, Elfsworn Giant triggers, creating a creature token.
7. Resolve the Umbral Collar Zealot ability.
8. Repeat.