Farid, Enterprising Salvager, Nim Deathmantle, and Krark-Clan Ironworks

Prerequisites

• Farid, Enterprising Salvager on the battlefield
• Nim Deathmantle on the battlefield
• Krark-Clan Ironworks on the battlefield
• You control a nontoken artifact creature

Steps

1. Activate Krark-Clan Ironworks by sacrificing a nontoken artifact creature, adding
2. When the creature dies, Farid and Nim Deathmantle triggers
3. Resolve the Farid trigger, creating a Scrap artifact token
4. Activate Krark-Clan Ironworks by sacrificing the Scrap, adding
5. Resolve the Nim Deathmantle trigger from step 2, causing you to pay to return the artifact creature 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