Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Stormbound Geist + Yahenni, Undying Partisan

WUB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Yahenni by sacrificing Stormbound Geist
  2. When Stormbound Geist dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. Activate Yahenni by sacrificing Stormbound Geist
  4. When Stormbound Geist dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  5. Resolve both Yahenni abilities from step 1 and 3.
  6. Repeat.

What the combo produces