I love this in response to a resolved Thassa's Oracle or alternate win-con or in response to targeted removal at you or your stuff
Price Versus Power: Commanders Most Expensive Cards One of the best things about Commander is how you can play almost every card in Magics history
Copying equipment, auras and counters is sweet, and having a Flying Lifelink creature with an annoying Ward cost goes a long way to making her playable
But you could brew up a dinosaur reanimator deck for sure
Also, obligatory note that Mutavault is a Ninja that will likely be the heart of any kind of Kaito, Bane of Nightmares deck
The main tenants are the functionally identical Soul Warden and Soul's Attendant, though Essence Warden, Impassioned Orator, and similar card certainly fit the category