Bolas's Citadel + Mortuary + Rograkh, Son of Rohgahh + Umbral Collar Zealot

BR identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Umbral Collar Zealot by sacrificing Rograkh
  2. When Rograkh dies, Mortuary triggers, putting Rograkh from your graveyard onto the top of your library.
  3. Resolve the Umbral Collar Zealot ability.
  4. Cast Rograkh from the top of your library by paying 0 life.
  5. Repeat.

What the combo produces