The Iliad 7.175–178

So said he, and they marked each man his lot and cast them in the helmet of Agamemnon, son of Atreus; and the host made prayer, and lifted up their hands to the gods. And thus would one say with a lance up to the broad heaven: Father Zeus, grant that the lot fall of Aias or the son of Tydeusor else on the king himself of Mycene rich in gold. So spake they, and the horseman, Nestor of Gerenia, shook the helmet, and forth therefrom leapt the lot that themselves desired, even the lot of Aias. And the herald bare it everywhither throughout the throng, and showed it from left to right to all the chieftains of the Achaeans;