Ancient Adamantoise, Nim Deathmantle, Krark-Clan Ironworks, and Carrion Feeder

Prerequisites

• Ancient Adamantoise on the battlefield
• Nim Deathmantle on the battlefield
• Krark-Clan Ironworks on the battlefield
• Carrion Feeder on the battlefield
• available

Steps

1. Activate Carrion Feeder by sacrificing Ancient Adamantoise
2. When Ancient Adamantoise dies, it and Nim Deathmantle trigger
3. Resolve the Nim Deathmantle trigger, causing you to pay to return Ancient Adamantoise from your graveyard to the battlefield and attach Nim Deathmantle to it
4. Resolve the Ancient Adamantoise trigger, creating ten tapped Treasure tokens
5. Resolve the Carrion Feeder ability
6. Activate Krark-Clan Ironworks twice by sacrificing two Treasures, adding
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana
• Infinite tapped Treasure tokens
• Infinite +1/+1 counters on Carrion Feeder