Phyrexian Triniform, Nim Deathmantle, and Thermopod

Prerequisites

• Phyrexian Triniform on the battlefield
• Nim Deathmantle on the battlefield
• Thermopod on the battlefield

Steps

1. Sacrifice Phyrexian Triniform to Thermopod to add
2. Phyrexian Triniform and Nim Deathmantle both trigger
3. Resolve Phyrexian Triniform's ability first, creating three Golem artifact creatures
4. Sacrifice all three Golems to Thermopod to add 3 total
5. Resolve the Nim Deathmantle trigger, paying the to return Phyrexian Triniform to the battlefield with Nim Deathmantle equipped
6. Repeat for infinite ETB and LTB

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers