Ray of Frost is a uncommon Enchantment — Aura card from Adventures in the Forgotten Realms (AFR), collector number 68. Current market price: $0.14 (foil $0.15), TCGplayer market prices via Scryfall.
Flash Enchant creature When this Aura enters, if enchanted creature is red, tap it. As long as enchanted creature is red, it loses all abilities. Enchanted creature doesn't untap during its controller's untap step.