Bolas's Citadel + Dross Harvester + Mortuary + Myr Scrapling

B 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 Dross Harvester trigger.
  3. Resolve the Mortuary trigger, putting Myr Scrapling from your graveyard onto the top of your library.
  4. Resolve the Dross Harvester trigger, causing you to gain 2 life
  5. Cast Myr Scrapling from the top of your library by paying 1 life.
  6. Repeat.

What the combo produces