Underworld Breach + Stitcher's Supplier + Infernal Plunge + Crossroads Candleguide

Underworld Breach

Stitcher's Supplier

Infernal Plunge

Crossroads Candleguide

How it works

1. Cast Infernal Plunge for its escape cost by paying , exling three other cards from your graveyard, and sacrificing Stiticher's Supplier.
2. When Stitcher's Supplier dies, it triggers, causing you to mill three cards.
3. Resolve Infernal Plunge, adding .
4. Activate Crossroads Candleguide by paying 2, adding .
5. Cast Stitcher's Supplier for its escape cost by paying and exling three other cards from your graveyard.
6. When Stitcher's Supplier enters the battlefield, it triggers, causing you to mill three cards.
7. Repeat.

This brilliant loop turns your graveyard into an engine by leveraging Underworld Breach, which grants every nonland card escape to let you recast your threats directly from the bin. You sacrifice Stitcher's Supplier to fuel Infernal Plunge, which gives you the red mana you need while triggering the Supplier's death ability to feed your graveyard with fresh cards. Meanwhile, Crossroads Candleguide provides the crucial color-filtering needed to cast the Stitcher's Supplier right back out of your graveyard, setting up a continuous loop of sacrifices and self-mill.