Animate Library is a rare Enchantment — Aura card from Unstable (UST), collector number 26. Current market price: $0.42 (foil $0.98), TCGplayer market prices via Scryfall.
Enchant your library Enchanted library is an artifact creature on the battlefield with power and toughness each equal to the number of cards in it. It's still a library. If enchanted library would leave the battlefield, exile this Aura instead.