Exodus 7:10
And Moses and Aaron went in unto Pharaoh, and they did so as the LORD had commanded: and Aaron cast down his rod before Pharaoh, and before his servants, and it became a serpent.
Exodus 4:3
And he said, Cast it on the ground. And he cast it on the ground, and it became a serpent; and Moses fled from before it.
Amos 9:3
And though they hide themselves on the top of Carmel, I will search and take them from there; and though they are hidden from my sight in the bottom of the sea, there will I command the serpent, and it shall bite them:
Mark 16:18
They shall take up serpents; and if they drink any deadly thing, it shall not hurt them; they shall lay hands on the sick, and they shall recover.
Luke 10:19
Behold, I give unto you power to tread on serpents and scorpions, and over all the power of the enemy: and nothing shall by any means hurt you.