Nim Deathmantle, Ashnod's Altar, and Sensor Splicer

Prerequisites

• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield
• Sensor Splicer on the battlefield
• available

Steps

1. Activate Ashnod's Altar by sacrificing Sensor Splicer, adding
2. Sensor Splicer dies, triggering Nim Deathmantle, causing you to pay to return Sensor Splicer from your graveyard to the battlefield, and attach Nim Deathmantle to it
3. Sensor Splicer enters the battlefield, creating a 3/3 Phyrexian Golem creature token
4. Activate Ashnod's Altar by sacrificing the Phyrexian Golem, adding
5. Repeat

Results

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