Beifong's Bounty Hunters + Khalni Garden + Umbral Collar Zealot

Beifong's Bounty Hunters

Khalni Garden

Umbral Collar Zealot

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 Khalni Garden.
3. Resolve the Umbral Collar Zealot ability.
4. Activate Umbral Collar Zealot by sacrificing Khalni Garden.
5. When Khalni Garden dies, it triggers, returning it from your graveyard to the battlefield tapped.
6. When Khalni Garden enters, it triggers, creating a 0/1 Plant creature token.
7. Resolve the Umbral Collar Zealot ability.
8. Repeat.