Blood Pet + Bolas's Citadel + Mortuary + Vindictive Vampire

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 Vindictive Vampire trigger.
  3. Resolve the Mortuary trigger, putting Blood Pet from your graveyard onto the top of your library.
  4. Resolve the Vindictive Vampire trigger, causing you to gain 1 life and dealing 1 damage to each opponent.
  5. Cast Blood Pet from the top of your library by paying 1 life.
  6. Repeat.

What the combo produces