Prerequisites
- Altar of the Brood on the battlefield
- Banishing Knack in hand
- Nettle Drone on the battlefield
- Ornithopter on the battlefield
- Nettle Drone does not have summoning sickness
- available
Steps
- Cast Retraction Helix targeting Nettle Drone
- Tap Nettle Drone to return Ornithopter to hand
- Cast Ornithopter untapping Nettle Drone
- Each opponent mills 1 because of Altar of the Brood
- Repeat steps 2-4
Results
Required Cards 4
Nettle Drone
Creature — Eldrazi Drone
Ornithopter
Artifact Creature — Thopter