Bolas's Citadel + Darkheart Sliver + Mortuary

BG identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Darkheart Sliver by sacrificing it.
  2. When Darkheart Sliver dies, Mortuary triggers, putting Darkheart Sliver on top of your library from your graveyard.
  3. Resolve the Darkheart Sliver ability, causing you to gain 3 life.
  4. Cast Darkheart Sliver from the top of your library by paying 2 life.
  5. Repeat.

What the combo produces