Nim Deathmantle, Krark-Clan Ironworks, and Stone Retrieval Unit

Prerequisites

• Nim Deathmantle on the battlefield
• Krark-Clan Ironworks on the battlefield
• Stone Retrieval Unit on the battlefield
• available

Steps

1. Activate Krark-Clan Ironworks by sacrificing Stone Retrieval Unit, adding
2. Stone Retrieval Unit dies, triggering Nim Deathmantle, causing you to pay to return Stone Retrieval Unit from your graveyard to the battlefield, and attach Nim Deathmantle to it
3. Stone Retrieval Unit enters the battlefield, creating a Powerstone token
4. Activate Krark-Clan Ironworks by sacrificing the Powerstone, adding
5. Repeat

Results

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