Cruel Reality is a mythic Enchantment — Aura Curse card from Amonkhet Promos (PAKH), collector number 84s. Current market price: — (foil $6.82), TCGplayer market prices via Scryfall.
Enchant player At the beginning of enchanted player's upkeep, that player sacrifices a creature or planeswalker of their choice. If the player can't, they lose 5 life.