Beifong's Bounty Hunters, Phantom Train, and Bridge from Below

Prerequisites

• Beifong's Bounty Hunters on the battlefield
• Phantom Train on the battlefield
• Bridge from Below in the graveyard

Steps

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, Bridge from Below 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 Bridge from Below trigger, creating a creature token
8. Resolve the Phantom Train ability
9. Repeat

Results

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