Alharu, Solemn Ritualist, Beifong's Bounty Hunters, and Phantom Train

Prerequisites

• Alharu, Solemn Ritualist on the battlefield
• Beifong's Bounty Hunters on the battlefield
• Phantom Train on the battlefield

Steps

1. Activate Phantom Train by sacrificing another nonland creature you control
2. When the creature dies, Beifong's Bounty Hunters triggers, earthbending a land you control
3. Resolve the Phantom Train ability, putting a +1/+1 counter on Phantom Train and causing it to become a creature until end of turn Activate Phantom Train by sacrificing the earthbent land
4. When the land dies, Beifong's Bounty Hunters and Alharu trigger
5. Resolve the Beifong's Bounty Hunters trigger, returning it from your graveyard to the battlefield tapped
6. Resolve the Alharu trigger, creating a 1/1 Spirit creature token
7. Resolve the Phantom Train ability, putting a +1/+1 counter on Phantom Train and causing it to become a creature until end of turn 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