And He said, "Cast it on the ground." So he cast it on the ground, and it became a serpent; and Moses fled from it.
Exodus 4:3
Surrounding context
4:2 So the LORD said to him, "What is that in your hand?" He said, "A rod."
4:3 And He said, "Cast it on the ground." So he cast it on the ground, and it became a serpent; and Moses fled from it.
4:4 Then the LORD said to Moses, "Reach out your hand and take it by the tail" (and he reached out his hand and caught it, and it became a rod in his hand),