Nim Deathmantle, Krark-Clan Ironworks, Mintstrosity, and Mycosynth Lattice

Prerequisites

• Nim Deathmantle on the battlefield
• Krark-Clan Ironworks on the battlefield
• Mintstrosity on the battlefield
• Mycosynth Lattice on the battlefield

Steps

1. Activate Krark-Clan Ironworks by sacrificing Mintstrosity, adding
2. When Mintstrosity dies, it and Nim Deathmantle triggers
3. Resolve the Mintstrosity trigger, creating a Food artifact token
4. Activate Krark-Clan Ironworks by sacrificing the Food, adding
5. Resolve the Nim Deathmantle trigger from step 2, causing you to pay to return Mintstrosity from your graveyard to the battlefield, and attach Nim Deathmantle to it
6. Repeat

Results

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