Underworld Breach + Stitcher's Supplier + Infernal Plunge + Gemstone Array

Prerequisites

• You have at least three additional cards in your graveyard.

Steps

1. 1Cast Infernal Plunge for its escape cost by paying , exling three other cards from your graveyard, and sacrificing Stiticher's Supplier.
2. 2When Stitcher's Supplier dies, it triggers, causing you to mill three cards.
3. 3Resolve Infernal Plunge, adding .
4. 4Activate Gemstone Array's first ability by paying , putting a charge counter on it.
5. 5Activate Gemstone Array's second ability by removing a charge counter from it, adding .
6. 6Cast Stitcher's Supplier for its escape cost by paying and exling three other cards from your graveyard.
7. 7When Stitcher's Supplier enters the battlefield, it triggers, causing you to mill three cards.
8. 8Repeat.

Effects

• Infinite self-mill