The Un-Sets, imo, are really something that ought to be kept around as they offer freedom, creativity and forward/very forward thinking
Graf Mole turns every Clue you sacrifice into a chunk of lifegain, helping you stay healthy while drawing cards
Faerie MastermindFaerie Mastermind (95,489 Inclusions, 6% of 1,620,163 Decks) Yuta Takahashi's World Championship card continues to be amazing in every format you can play it in, and I don't see that changing anytime soon
Archazia's Island - Amethyst and Steel Best cards: Jafar, Newly Crowned
Plus, there are a lot of other styles and colors available
This card is an iteration of Ragavan, Nimble Pilferer , a legendary creature that, whenever it deals combat damage, creates a treasure token and exiles the top card from your opponent's library, allowing you to play it until the end of your turn