Underworld Breach + Stitcher's Supplier + Infernal Plunge + Stonework Packbeast

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 Stonework Packbeast by paying , adding .
5. 5Cast Stitcher's Supplier for its escape cost by paying and exling three other cards from your graveyard.
6. 6When Stitcher's Supplier enters the battlefield, it triggers, causing you to mill three cards.
7. 7Repeat.

Effects

• Infinite self-mill