Archive, The Book of Ages

{3}, {t}: Scry X cards, where X is the number
of historic permanents you control.
{1}, {t}: Draw a card. Activate only if you control a saga, a legendary creature, and an artifact not named Archive, Book of Ages.
"This library may burn, but our knowledge will
last forever." - Terensus, Archivist of the Arethan Empire.