Exodus 11:9
“And the Lord said unto Moses, Pharaoh shall not hearken unto you; that my wonders may be multiplied in the land of Egypt.”
But against any of the children of Israel shall not a dog move his tongue, against man or beast: that ye may know how that the Lord doth put a difference between the Egyptians and Israel.
And all these thy servants shall come down unto me, and bow down themselves unto me, saying, Get thee out, and all the people that follow thee: and after that I will go out. And he went out from Pharaoh in a great anger.
And the Lord said unto Moses, Pharaoh shall not hearken unto you; that my wonders may be multiplied in the land of Egypt.
And Moses and Aaron did all these wonders before Pharaoh: and the Lord hardened Pharaoh’s heart, so that he would not let the children of Israel go out of his land.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“And Moses and Aaron did all these wonders before Pharaoh: and the Lord hardened Pharaoh’s heart, so that he would not let the children of Israel go out of his land.”
“And I will harden Pharaoh’s heart, and multiply my signs and my wonders in the land of Egypt.”
“And the Lord hardened the heart of Pharaoh, and he hearkened not unto them; as the Lord had spoken unto Moses.”
“And the Lord said unto Moses, When thou goest to return into Egypt, see that thou do all those wonders before Pharaoh, which I have put in thine hand: but I will harden his heart, that he shall not let the people go.”
“Then the magicians said unto Pharaoh, This is the finger of God: and Pharaoh’s heart was hardened, and he hearkened not unto them; as the Lord had said.”