Cephalid Aristocrat, and Plate Armor

Prerequisites

• Cephalid Aristocrat on the battlefield
• Plate Armor on the battlefield

Steps

1. Activate Plate Armor's equip ability by paying , targeting Cephalid Aristocrat
2. Cephalid Aristocrat triggers, causing you to mill two cards
3. Resolve Plate Armor's ability, attaching it to Cephalid Aristrocrat
4. Repeat

Results

• Infinite self-mill