Metalwork Colossus, Warren Soultrader, Aetherflux Reservoir, and Peregrin Took

Prerequisites

• Metalwork Colossus in hand
• Warren Soultrader on the battlefield
• Aetherflux Reservoir on the battlefield
• Peregrin Took on the battlefield

Steps

1. Cast Metalwork Colossus by paying
2. Aetherflux Reservoir triggers, causing you to gain 1 life for each spell you've cast this turn
3. Activate Warren Soultrader by paying 1 life and sacrificing Metalwork Colossus, creating a Food token and a Treasure token
4. Activate Metalwork Colossus by sacrificing the Treasure and Food, returning Metalwork Colossus from your graveyard to your hand
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite damage
• Infinite lifegain triggers
• Infinite lifegain
• Infinite storm count