Blood Pet + Bolas's Citadel + Mortuary + Zulaport Cutthroat

B identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Blood Pet by sacrificing it.
  2. When Blood Pet dies, Mortuary and Zulaport Cutthroat trigger.
  3. Resolve the Mortuary trigger, putting Blood Pet from your graveyard onto the top of your library.
  4. Resolve the Zulaport Cutthroat trigger, causing you to gain 1 life and each opponent to lose 1 life.
  5. Cast Blood Pet from the top of your library by paying 1 life.
  6. Repeat.

What the combo produces