And the LORD said to Moses, "Tell Aaron, 'Stretch out your hand with your staff over the rivers and canals and ponds, and cause the frogs to come up onto the land of Egypt.'"

Exodus 7:19
And the LORD said to Moses, "Tell Aaron, 'Take your staff and stretch out your hand over the waters of Egypt--over their rivers and canals and ponds and reservoirs--that they may become blood.' There will be blood throughout the land of Egypt, even in the vessels of wood and stone."

Exodus 8:4
The frogs will come up on you and your people and all your officials.'"

And the LORD spoke to Moses, Say to Aaron, Stretch forth your hand with your rod over the streams, over the rivers, and over the ponds, and cause frogs to come up on the land of Egypt.