The Miracle Worker deck works primarily with Aminatou, Veil Piercer, a white, blue, and black commander that lets you both surveil the top two cards of your deck at the start of your upkeep, and then gives all your enchantment cards in your hand miracle, while also reducing their miracle cost by four generic mana
Its perfect in sacrifice decks where you can pick off the stolen target then have two bodies left over to feed sac outlets
So far Ive disliked the card in aggro shells, but loved it as a solo threat backed by removal for their blockers
x1 Playmat
This often means that nowadays, the most powerful cards for non-rotating formats are printed in a supplemental set (rather than in Standard)
His animal transformation ability can shift the best cards from a players deck into a nearly useless creature, all for an extremely cheap cost