Animate Library
Enchantment — Aura
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.
Printings & Conditions (2)
The List (Unfinity Foil Edition) (ULST)(The List)#11Rare
Unstable (UST)(Unstable)#26Rare