Verses with the word serpents in the New Testament (7 verses):

Matthew 10:16
Behold, I send you forth as sheep in the midst of wolves: be ye therefore wise as serpents, and harmless as doves.

Matthew 23:33
Ye serpents, ye generation of vipers, how can ye escape the damnation of hell?

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.

1 Corinthians 10:9
Neither let us tempt Christ, as some of them also tempted, and were destroyed of serpents.

James 3:7
For every kind of beasts, and of birds, and of serpents, and of things in the sea, is tamed, and hath been tamed of mankind:

Revelation 9:19
For their power is in their mouth, and in their tails: for their tails were like unto serpents, and had heads, and with them they do hurt.