Optimus Prime, Hero // Optimus Prime, Autobot Leader + Valkyrie's Call + Yahenni, Undying Partisan

Optimus Prime, Hero // Optimus Prime, Autobot Leader

Valkyrie's Call

Yahenni, Undying Partisan

How it works

1. Activate Yahenni by sacrificing Optimus Prime, Hero.
2. When Optimus Prime, Hero dies, its second ability triggers, returning it from your graveyard to the battlefield as Optimus Prime, Autobot Leader.
3. Activate Yahenni by sacrificing Optimus Prime, Autobot Leader.
4. When Optimus Prime, Autobot Leader dies, Valkyrie's Call triggers, returning Optimus Prime from your graveyard to the battlefield as Optimus Prime, Hero as an Angel with flying.
5. Resolve both Yahenni abilities from steps 1 and 3.
6. Repeat.