Early Play Design feedback indicated this wasn't working for that format, so we went back to the drawing board to try and find the best of both worlds
that is, it is uniquely effective against non-green lists and artifact centric combos
Then once you get to six or more elves you threaten to proliferate multiple times a turn and that's a game ender right there
Playing equipment off the top of your library is a form of card advantage, and auto-attaching that equipment counts as cost reduction
Especially if their commander flies, like Aurelia, the Law Above The free equip is nice, but not why youre playing this
Teferi, Hero of Dominaria Teferi, Hero of Dominaria is one of the best finishers WU control has ever seen