Beifong's Bounty Hunters, Phyrexian Altar, and M'Ress, Crew Coordinator

Prerequisites

• Beifong's Bounty Hunters on the battlefield
• Phyrexian Altar on the battlefield
• M'Ress, Crew Coordinator 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, M'Ress triggers, creating two 1/1 red Officer creature tokens Repeat

Results

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