Beifong's Bounty Hunters + Khalni Garden + Altar of Dementia

Beifong's Bounty Hunters

Khalni Garden

Altar of Dementia

How it works

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