15 Go to Pharaoh in the morning; lo, he goeth out to the water, and thou shalt stand by the river's brink against he cometh; and the rod which was turned to a serpent shalt thou take in thy hand.
Exodus 7:15 Cross References - Webster
Exodus 2:5
5 And the daughter of Pharaoh came down to wash herself at the river, and her maidens walked along by the river's side: and when she saw the ark among the flags, she sent her maid to fetch it.
Exodus 4:2-4
2 And the LORD said to him, What is that in thy hand? And he said, A rod.
3 And he said, Cast it on the ground. And he cast it on the ground, and it became a serpent: and Moses fled from before it.
4 And the LORD said to Moses, Put forth thy hand, and take it by the tail. And he put forth his hand, and caught it, and it became a rod in his hand:
Exodus 7:10
10 And Moses and Aaron went in to Pharaoh, and they did so as the LORD had commanded: And Aaron cast down his rod before Pharaoh, and before his servants, and it became a serpent.
Exodus 8:20
20 And the LORD said to Moses, Rise early in the morning, and stand before Pharaoh; (lo, he cometh forth to the water) and say to him, Thus saith the LORD, Let my people go, that they may serve me.
Ezekiel 29:3
3 Speak, and say, Thus saith the Lord GOD; Behold, I am against thee, Pharaoh king of Egypt, the great dragon that lieth in the midst of his rivers, which hath said, My river is my own, and I have made it for myself.