The Apprentice's Folly is a rare Enchantment — Saga card from Wilds of Eldraine Promos (PWOE), collector number 200s. Current market price: — (foil $2.36), TCGplayer market prices via Scryfall.
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Choose target nontoken creature you control that doesn't have the same name as a token you control. Create a token that's a copy of it, except it isn't legendary, is a Reflection in addition to its other types, and has haste. III — Sacrifice all Reflections you control.