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.

Acts 28:3-6

And Paul having gathered together a bundle of sticks, and laid them on the fire, there came out a viper from the heat, and fastened on his hand.

Romans 3:13

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

Romans 16:20

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

2 Timothy 4:17

But the Lord stood by me, and strengthened me; that by me the gospel might be fully spread, and that all the nations might hear: and so I was delivered out of the mouth of the lion.

Revelation 12:9

And the great dragon was cast out, that old serpent, called the devil and Satan, who deceiveth the whole world: he was cast down to the earth, and his angels were cast down with him.

Revelation 20:1-2

And I saw an angel come down from heaven, who had the key of the bottomless pit, 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 should drink any thing poisonous, it shall not hurt them; they shall lay hands on the sick, and they shall be well.
Acts 28:3
And Paul having gathered together a bundle of sticks, and laid them on the fire, there came out a viper from the heat, and fastened on his hand.
Romans 3:13
Their throat is an open sepulchre: with their tongues they have used deceit; the poison of asps is under their lips:
Romans 16:20
And the God of peace will soon bruise Satan under your feet. The grace of our Lord Jesus Christ be with you. Amen.

The dragon

Revelation 12:9
And the great dragon was cast out, that old serpent, called the devil and Satan, who deceiveth the whole world: he was cast down to the earth, and his angels were cast down with him.
Revelation 20:1
And I saw an angel come down from heaven, who had the key of the bottomless pit, and a great chain in his hand.