Phyrexian Triniform, Nim Deathmantle, and Ashnod's Altar

Prerequisites

• Phyrexian Triniform on the battlefield
• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Sacrifice Phyrexian Triniform to Ashnod's Altar to add
2. Phyrexian Triniform and Nim Deathmantle both trigger
3. Resolve Phyrexian Triniform's ability first, creating three Golem artifact creatures
4. Sacrifice two Golems to Ashnod's Altar of them to add 4 total
5. Resolve the Nim Deathmantle trigger, paying the to return Phyrexian Triniform to the battlefield with Nim Deathmantle equipped
6. Repeat for infinite tokens and mana

Results

• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers