Beifong's Bounty Hunters, Field of the Dead, and Phyrexian Altar

Prerequisites

• Beifong's Bounty Hunters on the battlefield
• Field of the Dead on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing another nonland creature you control, adding one mana of any color When the creature dies, Beifong's Bounty Hunters triggers, earthbending a land
2. Activate Phyrexian Altar by sacrificing the land, adding one mana of any color When the land dies, Beifong's Bounty Hunters triggers, returning the land from your graveyard to the battlefield tapped
3. When the land enters, Field of the Dead triggers, creating a 2/2 black Zombie creature token Repeat
4. Activate Phyrexian Altar by sacrificing another nonland creature you control
5. When the creature dies, Beifong's Bounty Hunters triggers, earthbending a land you control
6. Resolve the Phyrexian Altar ability
7. Activate Phyrexian Altar by sacrificing the earthbent land
8. When the land dies, Beifong's Bounty Hunters triggers, returning the land from your graveyard to the battlefield tapped
9. When the land enters, Field of the Dead triggers, creating a 2/2 Zombie creature token
10. Resolve the Phyrexian Altar ability
11. Repeat

Results

• Infinite creature LTB
• Infinite creature ETB
• Infinite colored mana
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite landfall triggers