Hardened Academic + Kithkin Spellduster + Yahenni, Undying Partisan

RWB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Yahenni by sacrificing Kithkin Spellduster.
  2. When Kithkin Spellduster dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Hardened Academic triggers, putting a +1/+1 counter on Kithkin Spellduster.
  4. Resolve the Yahenni ability.
  5. Repeat.

What the combo produces