Bolas's Citadel + Dross Harvester + Mortuary + Viscera Seer

B identity

Commander legal

The 4 combo pieces

How to execute it

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

What the combo produces