Koll, the Forgemaster, Dissection Tools, Lightning Greaves, and Myr Moonvessel

Prerequisites

• Koll, the Forgemaster on the battlefield
• Dissection Tools on the battlefield
• Lightning Greaves on the battlefield
• Myr Moonvessel on the battlefield

Steps

1. Activate Lightning Greaves's equip ability by paying , attaching it to Myr Moonvessel
2. Activate Dissection Tools by sacrificing Myr Moonvessel, targeting Koll
3. When Myr Moonvessel dies, it and Koll trigger
4. Resolve the Myr Moonvessel trigger, adding
5. Resolve the Koll trigger, returning it from your graveyard to your hand
6. Resolve the Dissection Tools ability, attaching it to Koll
7. Cast Myr Moonvessel by paying its mana cost
8. Repeat

Results

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