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 you authority to tread on serpents and scorpions, and authority over all the power of the enemy; and nothing shall by any means hurt you.

Acts 28:3-6

And when Paul had brought together a heap of brushwood, and laid it on the fire, a viper came out, by reason of the heat, and fastened itself on his hand.

Romans 3:13

their throat is an open sepulcher; with their tongues they have used deceit; the poison of asps is under their lips;

Romans 16:20

The God of peace will soon bruise Satan under your feet. The grace of our Lord Jesus Christ be with you

2 Timothy 4:17

but the Lord stood by me, and gave me strength, that through me that which is preached might be fully known, and that all the Gentiles might hear: and I was delivered out of the mouth of the lion.

Revelation 12:9

And the great dragon, that old serpent, called the Devil, and Satan, who deceives the whole world, was cast into the earth, and his angels were cast out with him.

Revelation 20:1-2

And I saw an angel come down from heaven, having the key of the abyss, and a great chain in his hand.

Treasury of Scripture Knowledge

Summary

Thou shalt tread upon the lion and adder: the young lion and the dragon shalt thou trample under feet.

Bible References

Adder

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.
Acts 28:3
And when Paul had brought together a heap of brushwood, and laid it on the fire, a viper came out, by reason of the heat, and fastened itself on his hand.
Romans 3:13
their throat is an open sepulcher; with their tongues they have used deceit; the poison of asps is under their lips;
Romans 16:20
The God of peace will soon bruise Satan under your feet. The grace of our Lord Jesus Christ be with you

The dragon

Revelation 12:9
And the great dragon, that old serpent, called the Devil, and Satan, who deceives the whole world, was cast into the earth, and his angels were cast out with him.
Revelation 20:1
And I saw an angel come down from heaven, having the key of the abyss, and a great chain in his hand.