Koll, the Forgemaster, Reckless Barbarian, and Grafted Wargear

Prerequisites

• Koll, the Forgemaster on the battlefield
• Reckless Barbarian on the battlefield
• Grafted Wargear on the battlefield

Steps

1. Activate Grafted Wargear's equip ability by paying , attaching it to Reckless Barbarian
2. Activate Reckless Barbarian by sacrificing it, adding
3. When Reckless Barbarian dies, Koll triggers, returning Reckless Barbarian from your graveyard to your hand
4. Cast Reckless Barbarian by paying
5. Repeat

Results

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