Mark 16:18

they shall take up serpents, and if they should drink any thing poisonous, it shall not hurt them; they shall lay hands on the sick, and they shall be well.

Luke 10:19

Behold I give you power to trample upon serpents and scorpions, and over all the might of the enemy; and nothing shall at all hurt you.

Treasury of Scripture Knowledge

Summary

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.

Bible References

It became

Mark 16:18
they shall take up serpents, and if they should drink any thing poisonous, it shall not hurt them; they shall lay hands on the sick, and they shall be well.
Luke 10:19
Behold I give you power to trample upon serpents and scorpions, and over all the might of the enemy; and nothing shall at all hurt you.