More specifically, were talking about Miku, the Renowned , a reskinned version of Feather, the Redeemed , a classic commander
I could see Sultai value decks, not unlike the Teval list above, being built around the duo in the near future
Unstable introduced alternate decks with Contraptions, but had a broken incentive structure: cards like Faerie Aerie were so powerful that you were punished for putting other contraptions in your deck (since they decreased your likelihood of getting your best Contraption)
This can be done in conjunction with cards like Angels Grace or even the new Doctor Who card Everybody Lives
Decks The Starter Decks in Arena are neat and all, but sometimes you want something that is really tuned to a cohesive strategy
Historic rewards you for playing artifacts (which tend to be overcosted to compensate for their flexible mana costs), Sagas (which tend be good but fluctuate wildly in power level), and legendaries (which tend to be the most powerful creatures in the format, and also planeswalkers)