Spin into Myth is a uncommon Instant card from The List (PLST), collector number ARC-8. Current market price: $0.13, TCGplayer market prices via Scryfall.
Put target creature on top of its owner's library, then fateseal 2. (To fateseal 2, look at the top two cards of an opponent's library, then put any number of them on the bottom of that player's library and the rest on top in any order.)