Jason, the Archivist

If a spell you cast from exile would be put into a graveyard, put it on the bottom of its owners
library instead.
{1}, {t}: Exile target card in your graveyard with a converted mana cost of 1 plus the highest
converted mana cost among cards exiled with
Jason.
{u}, Discard a card: You may play the card
with the highest converted mana cost exiled with
Jason until your next turn.