For 10 points, name this deity, who in the New Kingdom became the foremost god in his combined form with Ra.
According to Plutarch, the pro-Spartan Kimon sent a delegation with a secret mission to this deity, though he died before its completion, prompting the priest to inform his men that Kimon was already with this deity. Pausanias says that Pindar offered a statue of this god carved by Kalamis in Thebes and Pythian IV includes Medea's prediction that "the daughter of Epaphus will one day be planted... amid the foundations" of this god in Libya. Every ten days a cult statue of this god was transported to Medinet Habu in western Thebes, where he had first created the world by fertilizing the world egg. This deity presided over a major oracular site at Siwa. Often depicted as a bearded man whose head is topped with two plumes or as a ram, this god's name means "the Hidden One". For 10 points, name this deity, who in the New Kingdom became the foremost god in his combined form with Ra.
According to Plutarch, the pro-Spartan Kimon sent a delegation with a secret mission to this deity, though he died before its completion, prompting the priest to inform his men that Kimon was already with this deity.
Amun-Ra [or Imn or Amana; accept "Zeus Ammon", but prompt on "Zeus"]