Bolas's Citadel + Mortuary + Myr Scrapling + Vengeful Bloodwitch

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 Vengeful Bloodwitch trigger.
  3. Resolve the Mortuary trigger, putting Myr Scrapling from your graveyard onto the top of your library.
  4. Resolve the Vengeful Bloodwitch trigger, causing you to gain 1 life and target 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