Felothar found herself drawn back many times to the ruins where she secretly listened to the spirits' tales of the Abzan's past and of a time where the dragonlords did not rule
Commander Returning Keyword Ability: Partner With Each of the five Ikoria Commander Decks includes a very special pair of cards: one is a single-color bonder, and the other is its two-color bonded buddy
Even if it didnt pass the vanilla test everytime it was cast, it seems very plausible that a hard-to-combat knight that rewarded you for playing mono black would have been a force to be reckoned with at a time when creatures were not what they are today
Which one is better really depends on the rest of the deck: Sage is better if you want the body to stick around (Skullclamp) or if you're an Elf deck, but Breaker is better if you don't care about the body, sacrificing itself is a plus (Fecundity), or you're an Elemental deck (Omnath, Locus of the Roil)
Urza's last ability doesn't change when you can play the exiled card
He's a five color commander who cares about sagas: so much so that he caused price spikes for recently printed sagas, from fans keen to build a deck with him at the helm