Bible Verses About Serpents: Of enemies who harass and destroy

Rejoice not thou, whole Palestina, because the rod of him that smote thee is broken: for out of the serpent's root shall come forth a cockatrice, and his fruit shall be a fiery flying serpent.

For, behold, I will send serpents, cockatrices, among you, which will not be charmed, and they shall bite you, saith the LORD.