Curse of Misfortunes is a rare Enchantment — Aura Curse card from Dark Ascension (DKA), collector number 56. Current market price: $0.65 (foil $3.87), TCGplayer market prices via Scryfall.
Enchant player At the beginning of your upkeep, you may search your library for a Curse card that doesn't have the same name as a Curse attached to enchanted player, put it onto the battlefield attached to that player, then shuffle.