1 Samuel 14:3

14:3 Now Ahijah was carrying an ephod. He was the son of Ahitub, who was the brother of Ichabod and a son of Phineas, son of Eli, the priest of the Lord in Shiloh. The army was unaware that Jonathan had left.

1 Samuel 14:18

14:18 So Saul said to Ahijah, “Bring near the ephod,” for he was at that time wearing the ephod.

1 Samuel 14:36-37

14:36 Saul said, “Let’s go down after the Philistines at night; we will rout them until the break of day. We won’t leave any of them alive!” They replied, “Do whatever seems best to you.” But the priest said, “Let’s approach God here.” 14:37 So Saul asked God, “Should I go down after the Philistines? Will you deliver them into the hand of Israel?” But he did not answer him that day.

Exodus 28:30-31

28:30 “You are to put the Urim and the Thummim into the breastpiece of decision; and they are to be over Aaron’s heart when he goes in before the Lord. Aaron is to bear the decisions of the Israelites over his heart before the Lord continually.

28:31 “You are to make the robe of the ephod completely blue.