Gelid Shackles is a common Snow Enchantment — Aura card from Coldsnap (CSP), collector number 6. Current market price: $0.28 (foil $2.48), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature can't block, and its activated abilities can't be activated. {S}: Enchanted creature gains defender until end of turn. ({S} can be paid with one mana from a snow source.)