Beifong's Bounty Hunters, Altar of Dementia, and Teval, the Balanced Scale

Prerequisites

• Beifong's Bounty Hunters on the battlefield
• Altar of Dementia on the battlefield
• Teval, the Balanced Scale on the battlefield

Steps

1. Activate Altar of Dementia 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 Altar of Dementia ability
4. Activate Altar of Dementia by sacrificing the earthbent land
5. When the land dies, Beifong's Bounty Hunters triggers, returning the land from your graveyard to the battlefield tapped
6. Teval triggers, creating a creature token
7. Resolve the Altar of Dementia ability
8. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite landfall triggers
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill