Korvold and the Noble Thief
/ 

Enchantment — Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")
III — Exile the top three cards of target opponent's library. You may play those cards this turn.