Ballad of the Black Flag (ACR 13)

Enchantment — Saga • Mana cost: {1}{U}{U} • Assassin's Creed • Uncommon

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
I, II, III — Mill three cards. You may put a historic card from among them into your hand. (Artifacts, legendaries, and Sagas are historic.)
IV — Historic spells you cast this turn cost {2} less to cast.

Illustrated by Miklós Ligeti.