Beifong's Bounty Hunters + Khalni Garden + Phantom Train

Beifong's Bounty Hunters

Khalni Garden

Phantom Train

How it works

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