Koll, the Forgemaster, Dissection Tools, Lightning Greaves, and Cathodion

Prerequisites

• Koll, the Forgemaster on the battlefield
• Dissection Tools on the battlefield
• Lightning Greaves on the battlefield
• Cathodion on the battlefield

Steps

1. Activate Lightning Greaves's equip ability by paying , attaching it to Cathodion
2. Activate Dissection Tools by sacrificing Cathodion, targeting Koll
3. When Cathodion dies, it and Koll trigger
4. Resolve the Cathodion 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 Cathodion by paying its mana cost
8. Repeat

Results

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