Bile Urchin + Bolas's Citadel + Mortuary + Proper Burial

WB identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Bile Urchin by sacrificing it.
  2. When Bile Urchin dies, Mortuary and Proper Burial trigger.
  3. Resolve the Mortuary trigger, putting Bile Urchin from your graveyard onto the top of your library.
  4. Resolve the Proper Burial trigger, causing you to gain 1 life
  5. Resolve the Bile Urchin ability.
  6. Cast Bile Urchin from the top of your library by paying 1 life.
  7. Repeat.

What the combo produces