Beifong's Bounty Hunters + Fumulus, the Infestation + Phantom Train

Beifong's Bounty Hunters

Fumulus, the Infestation

Phantom Train

How it works

1. Activate Phantom Train by sacrificing another nonland creature.
2. When the creature 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, Fumulus and Beifong's Bounty Hunters trigger.
6. Resolve the Beifong's Bounty Hunters trigger, returning the land from your graveyard to the battlefield.
7. Resolve the Fumulus trigger, creating a creature token.
8. Resolve the Phantom Train ability.
9. Repeat.