Phyrexian Triniform + Nim Deathmantle + Thermopod

Phyrexian Triniform

Nim Deathmantle

Thermopod

How it works

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 4 to return Phyrexian Triniform to the battlefield with Nim Deathmantle equipped.
6. Repeat for infinite ETB and LTB.