Animate Library
Unstable — Rare
Enchantment — Aura
Animate Library rulings:
2018-01-19: Animate Library can’t enchant your Contraption deck.
2018-01-19: If Animate Library leaves the battlefield, your library goes back to being a normal library.
2018-01-19: While your library is a creature, it can become enchanted or equipped, it can be tapped and untapped, and it can attack and block like other creatures.
2018-01-19: If your animated library becomes four libraries because of Split Screen, Animate Library stays attached to one of them of your choice. Only that one is a creature.