Bolas's Citadel + Crimson Kobolds + Mortuary + Yahenni, Undying Partisan

BR identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Yahenni by sacrificing Crimson Kobolds
  2. When Crimson Kobolds dies, Mortuary triggers, putting Crimson Kobolds from your graveyard onto the top of your library.
  3. Resolve the Yahenni ability.
  4. Cast Crimson Kobolds from the top of your library by paying 0 life.
  5. Repeat.

What the combo produces