Nim Deathmantle, Ashnod's Altar, and Patron of the Arts

Prerequisites

• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield
• Patron of the Arts on the battlefield
• available

Steps

1. Activate Ashnod's Altar by sacrificing Patron of the Arts, adding
2. Patron of the Arts dies, triggering itself and Nim Deathmantle
3. Resolve the Patron of the Arts trigger, creating a Treasure token
4. Activate the Treasure token by tapping and sacrificing it, adding
5. Resolve the Nim Deathmantle trigger, causing you to pay to return Patron of the Arts from your graveyard to the battlefield, and attach Nim Deathmantle to it
6. Patron of the Arts enters the battlefield, creating a Treasure token
7. Activate the Treasure token by tapping and sacrificing it, adding
8. Repeat

Results

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