Old Fat Spider Can't See Me is a uncommon Enchantment — Saga card from The Hobbit (HOB), collector number 50. Current market price: $0.23 (foil $0.28), TCGplayer market prices via Scryfall.
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I — Target creature you control gains hexproof for as long as this Saga remains on the battlefield. II — Prevent all damage that would be dealt by up to one target creature for as long as this Saga remains on the battlefield. III, IV — Draw a card.