Unlucky Cabbage Merchant, Nim Deathmantle, Krark-Clan Ironworks, and Mycosynth Lattice

Prerequisites

• Unlucky Cabbage Merchant on the battlefield
• Nim Deathmantle on the battlefield
• Krark-Clan Ironworks on the battlefield
• Mycosynth Lattice on the battlefield
• available

Steps

1. Activate Krark-Clan Ironworks by sacrificing Unlucky Cabbage Merchant, as it's an artifact due to Mycosynth Lattice, adding
2. When Unlucky Cabbage Merchant dies, Nim Deathmantle triggers, causing you to pay to return Unlucky Cabbage Merchant from your graveyard to the battlefield and attach Nim Deathmantle to it
3. When Unlucky Cabbage Merchant enters, its first ability triggers, creating a Food token
4. Activate Krark-Clan Ironworks by sacrificing the Food, adding
5. Unlucky Cabbage Merchant's second ability triggers
6. Holding priority, repeat steps 1 through 3 one additional time
7. Resolve the Unlucky Cabbage Merchant trigger from step 5, searching your library for a basic land card and putting it onto the battlefield tapped
8. You will not shuffle Unlucky Cabbage Merchant as it's a new object
9. Repeat from step 4

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Near-infinite landfall triggers
• Put all basic lands from your library onto the battlefield tapped