Cephalid Aristocrat, and Lightning Greaves

Prerequisites

• Cephalid Aristocrat on the battlefield
• Lightning Greaves on the battlefield

Steps

1. Activate Lightning Greaves's equip ability by paying , targeting Cephalid Aristocrat
2. Cephalid Aristocrat triggers, causing you to mill two cards
3. Resolve Lightning Greaves's ability, attaching it to Cephalid Aristrocrat
4. Activate Lightning Greaves's equip ability by paying , attaching it to another creature you control
5. Repeat

Results

• Infinite self-mill