Mark 16:18

they will take snakes in their hands; even if they drink anything poisonous, it will not hurt them; they will lay their hands on the sick, and they will get well."

Luke 10:19

Listen! I have given you power to tread on snakes and scorpions, and to trample on all the power of the enemy, and nothing at all will ever harm you.

Acts 28:3-6

Paul, too, gathered a bundle of sticks, and as he put them on the fire, because of the heat, a viper crawled out of them and fastened itself upon his hand.

Romans 3:13

Their throats are just like open graves, with their tongues they have spoken treachery; the poison of asps is under their lips.

Romans 16:20

Now the peace-giving God will soon crush Satan under your feet. The spiritual blessing of our Lord Jesus be with you.

2 Timothy 4:17

But the Lord stood by me and gave me strength, so that the message preached by me might have its full effect and all the heathen might hear it. So I was rescued from the lion's jaws.

Revelation 12:9

So the huge dragon, the ancient serpent, called the devil and Satan, who deceives the whole world, was hurled down to the earth, and his angels were hurled down with him.

Revelation 20:1-2

Then I saw an angel coming down from heaven with 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 will take snakes in their hands; even if they drink anything poisonous, it will not hurt them; they will lay their hands on the sick, and they will get well."
Acts 28:3
Paul, too, gathered a bundle of sticks, and as he put them on the fire, because of the heat, a viper crawled out of them and fastened itself upon his hand.
Romans 3:13
Their throats are just like open graves, with their tongues they have spoken treachery; the poison of asps is under their lips.
Romans 16:20
Now the peace-giving God will soon crush Satan under your feet. The spiritual blessing of our Lord Jesus be with you.

The dragon

Revelation 12:9
So the huge dragon, the ancient serpent, called the devil and Satan, who deceives the whole world, was hurled down to the earth, and his angels were hurled down with him.
Revelation 20:1
Then I saw an angel coming down from heaven with the key of the abyss and a great chain in his hand.