This elegant loop uses Panharmonicon to double down on the value train, turning Deadeye Navigator and Charming Scoundrel into a self-sustaining mana machine. Each time Charming Scoundrel flickers back onto the battlefield, Panharmonicon ensures its entry triggers double, yielding a pair of Treasure tokens instead of just one. Sacrificing those Treasures easily funds the {1}{U} activation cost required by Deadeye Navigator to blink the Scoundrel all over again, generating an endless supply of artifact and creature triggers.