Underworld Breach + Brightstone Ritual + Ambassador Laquatus

Prerequisites

• You have at least three other cards in your graveyard.
• You control at least four Goblins.

Steps

1. 1Cast Brightstone Ritual from your graveyard for its escape cost by paying and exiling three other cards from your graveyard, adding at least .
2. 2Activate Ambassador Laquatus by paying , causing you to mill three cards.
3. 3Repeat.

Effects

• Infinite self-mill