Nim Deathmantle, Ashnod's Altar, and Peter Parker // Amazing Spider-Man

Prerequisites

• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield
• Peter Parker // Amazing Spider-Man on the battlefield
• available

Steps

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

Results

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