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

Koll, the Forgemaster

Dissection Tools

Lightning Greaves

Myr Moonvessel

How it works

1. Activate Lightning Greaves's equip ability by paying 0, 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 C.
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.