Beifong's Bounty Hunters + Bloodghast + Phantom Train

Beifong's Bounty Hunters

Bloodghast

Phantom Train

How it works

1. Activate Phantom Train by sacrificing Bloodghast
2. When Bloodghast dies, Beifong's Bounty Hunters triggers, earthbending a land you control.
3. Resolve the Phantom Train ability.
4. Activate Phantom Train by sacrificing the earthbent land.
5. When the land dies, it triggers, returning it from your graveyard to the battlefield tapped.
6. When the land enters, Bloodghast triggers, returning Bloodghast from your graveyard to the battlefield.
7. Resolve the Phantom Train ability.
8. Repeat.