Beifong's Bounty Hunters, Gravecrawler, Stone-Seeder Hierophant, and Phantom Train

Prerequisites

• Beifong's Bounty Hunters on the battlefield
• Gravecrawler on the battlefield
• Stone-Seeder Hierophant on the battlefield
• Phantom Train on the battlefield

Steps

1. Activate Phantom Train by sacrificing Gravecrawler
2. When Gravecrawler dies, Beifong's Bounty Hunters triggers, earthbending a land that can tap to produce at least
3. Resolve the Phantom Train ability
4. Activate Phantom Train by sacrificing the land
5. When the land dies, Beifong's Bounty Hunters triggers, returning the land from your graveyard to the battlefield tapped
6. When the land enters, Stone-Seeder Hierophant triggers, untapping it
7. Holding priority, activate Stone-Seeder Hierophant by tapping it, untapping the land
8. Resolve the Phantom Train ability
9. Activate the land by tapping it, adding at least
10. Cast Gravecrawler from your graveyard by paying
11. Repeat

Results

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