Hardened Academic + Rendclaw Trow + Yahenni, Undying Partisan

BRGW identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Yahenni by sacrificing Rendclaw Trow.
  2. When Rendclaw Trow 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 Rendclaw Trow.
  4. Resolve the Yahenni ability.
  5. Repeat.

What the combo produces