Embodiment of Knowledge

Enchant library
Enchanted library is a 100/100 Avatar creature with flying
and hexproof.
Enchanted library gets -1/-1 for each card in it.
Whenever enchanted library attacks, reveal cards from the
top of your library equal to its power, and you may cast spells revealed this way. If an instant or sorcery would be cast this way, shuffle it into your library as it resolves.
If enchanted library would leave the battlefield, instead destroy this enchantment.

An omniscient force born from the une