Beifong's Bounty Hunters + Khalni Garden + Yahenni, Undying Partisan

Beifong's Bounty Hunters

Khalni Garden

Yahenni, Undying Partisan

How it works

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