Koll, the Forgemaster, Blood Pet, and Grafted Wargear

Prerequisites

• Koll, the Forgemaster on the battlefield
• Blood Pet on the battlefield
• Grafted Wargear on the battlefield

Steps

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

Results

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