Ganax, Astral Hunter, Nim Deathmantle, Ashnod's Altar, and Goldspan Dragon

Prerequisites

• Ganax, Astral Hunter on the battlefield
• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield
• Goldspan Dragon on the battlefield
• available

Steps

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

Results

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