Exodus 8:9
“And Moses said unto Pharaoh, Glory over me: when shall I intreat for thee, and for thy servants, and for thy people, to destroy the frogs from thee and thy houses, that they may remain in the river only?”
And the magicians did so with their enchantments, and brought up frogs upon the land of Egypt.
Then Pharaoh called for Moses and Aaron, and said, Intreat the Lord, that he may take away the frogs from me, and from my people; and I will let the people go, that they may do sacrifice unto the Lord.
And Moses said unto Pharaoh, Glory over me: when shall I intreat for thee, and for thy servants, and for thy people, to destroy the frogs from thee and thy houses, that they may remain in the river only?
And he said, To morrow. And he said, Be it according to thy word: that thou mayest know that there is none like unto the Lord our God.
And the frogs shall depart from thee, and from thy houses, and from thy servants, and from thy people; they shall remain in the river only.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And seven days were fulfilled, after that the Lord had smitten the river.”
“Shall the axe boast itself against him that heweth therewith? or shall the saw magnify itself against him that shaketh it? as if the rod should shake itself against them that lift it up, or as if the staff should lift up itself, as if it were no wood.”
“And Elijah said unto the prophets of Baal, Choose you one bullock for yourselves, and dress it first; for ye are many; and call on the name of your gods, but put no fire under.”
“And the Lord said unto Gideon, The people that are with thee are too many for me to give the Midianites into their hands, lest Israel vaunt themselves against me, saying, Mine own hand hath saved me.”
“And the frogs shall depart from thee, and from thy houses, and from thy servants, and from thy people; they shall remain in the river only.”