Exodus 4:3-5

CLV(i) 3 Then He said: Fling it to the earth. So he flung it to the earth, and it became a serpent. And Moses fled from its presence. 4 Then Yahweh said to Moses: Put forth your hand and take hold of its tail (so he put forth his hand and held fast to it, and it became a rod in his palm. 5 that they may believe that Yahweh, the Elohim of their fathers, appeared to you, the Elohim of Abraham, the Elohim of Isaac and the Elohim of Jacob.