Bolas's Citadel + Memnite + Mortuary + Yahenni, Undying Partisan

B identity

Commander legal

The 4 combo pieces

How to execute it

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

What the combo produces