Beifong's Bounty Hunters, Field of the Dead, and Phantom Train

Prerequisites

• Beifong's Bounty Hunters on the battlefield
• Field of the Dead on the battlefield
• Phantom Train on the battlefield

Steps

1. Activate Phantom Train by sacrificing another nonland creature you control When the creature dies, Beifong's Bounty Hunters triggers, earthbending a land
2. Resolve the Phantom Train ability, putting a +1/+1 counter on it and causing it to become a Spirit artifact creature in addition to its other types until end of turn
3. Activate Phantom Train by sacrificing the land When the land dies, Beifong's Bounty Hunters triggers, returning the land from your graveyard to the battlefield tapped
4. When the land enters, Field of the Dead triggers, creating a 2/2 black Zombie creature token Resolve the Phantom Train ability, putting a +1/+1 counter on it and causing it to become a Spirit artifact creature in addition to its other types until end of turn
5. Repeat
6. Activate Phantom Train by sacrificing another nonland creature you control
7. When the creature dies, Beifong's Bounty Hunters triggers, earthbending a land you control
8. Resolve the Phantom Train ability
9. Activate Phantom Train by sacrificing the earthbent land
10. When the land dies, Beifong's Bounty Hunters triggers, returning the land from your graveyard to the battlefield tapped
11. When the land enters, Field of the Dead triggers, creating a 2/2 Zombie creature token
12. Resolve the Phantom Train ability
13. Repeat

Results

• Infinite creature LTB
• Infinite creature ETB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite landfall triggers
• Infinite +1/+1 counters on a creature