Bolas's Citadel + Cauldron of Essence + Mortuary + Myr Scrapling

BG identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Myr Scrapling by sacrificing it.
  2. When Myr Scrapling dies, Mortuary and Cauldron of Essence trigger.
  3. Resolve the Mortuary trigger, putting Myr Scrapling from your graveyard onto the top of your library.
  4. Resolve the Cauldron of Essence trigger, causing you to gain 1 life and each opponent to lose 1 life.
  5. Resolve the Myr Scrapling ability.
  6. Cast Myr Scrapling from the top of your library by paying 1 life.
  7. Repeat.

What the combo produces