Beifong's Bounty Hunters + Umbral Collar Zealot + Quintorius, Field Historian

Beifong's Bounty Hunters

Umbral Collar Zealot

Quintorius, Field Historian

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 you control.
3. Resolve the Umbral Collar Zealot ability.
4. Activate Umbral Collar Zealot by sacrificing the earthbent land.
5. When the land dies, Beifong's Bounty Hunters triggers, returning the land from your graveyard to the battlefield tapped.
6. Quintorius triggers, creating a creature token.
7. Resolve the Umbral Collar Zealot ability.
8. Repeat.