Culling the Weak + Stitcher's Supplier + Underworld Breach

Mana needed: {B}

BR identity

Commander legal

The 3 combo pieces

What must be in place

You have at least three additional cards in your graveyard.

How to execute it

  1. Cast Culling the Weak for its escape cost by paying {B}, exling three other cards from your graveyard, and sacrificing Stiticher's Supplier.
  2. Stitcher's Supplier dies, causing you to mill three cards.
  3. Resolve Culling the Weak, adding {B}{B}{B}{B}.
  4. Cast Stitcher's Supplier for its escape cost by paying {B} and exling three other cards from your graveyard.
  5. Stitcher's Supplier enters the battlefield, causing you to mill three cards.
  6. Repeat.

What the combo produces