Underworld Breach + Lion's Eye Diamond + Ambassador Laquatus

Prerequisites

—

Steps

1. 1Sacrifice Lion's Eye Diamond producing .
2. 2Activate Ambassador Laquatus's ability for 3 milling 3 cards.
3. 3Cast Lion's Eye Diamond for its escape cost with Underworld Breach, exiling the 3 cards milled by Laquatus.
4. 4Repeat the cycle until you've milled yourself out.

Effects

• Infinite self-mill