Mesmeric Orb, and Seeker of Skybreak

Prerequisites

• Mesmeric Orb on the battlefield
• Seeker of Skybreak on the battlefield
• Seeker of Skybreak does not have summoning sickness

Steps

1. Tap Seeker, and respond to its ability by untapping itself
2. Orb triggers milling you for one
3. Repeat until you've milled yourself out

Results

• Infinite self-mill