Sword of Once and Future Sword of Once and Future is certainly shaping up to be one of the best Swords, certainly on par with Sword of Fire and Ice
Of course, I've mentioned how it's an ok EphemerateEphemerate target, but it's not a primary one, so you might end up having to choose between flickering a card with a good triggered ability and trying to cushion the huge mana investment
The issue with Birds is that you can only really play it in these decks when you are base or at least heavy green
Speaking of quests, if you're looking for an adventure, why don't you head over to the Wargamer Discord and see what you can discover?
The Sidar Jabari of Zhalfir display commander is printed with the foil-etched treatment on a thicker cardstockgreat for showing off your commander but not legal in sanctioned Commander play
He can put a -1/-1 counter on a creature at the beginning of your combat step, but we should have more ways to enable this