Mark 16:18

They shall take up venomous snakes, and if they drink any deadly poison it shall do them no harm whatever. They shall lay their hands on the sick, and the sick shall recover."

Luke 10:19

"I have given you power to tread serpents and scorpions underfoot, and to trample on all the power of the Enemy; and in no case shall anything do you harm.

Acts 28:3-6

Now, when Paul had gathered a bundle of sticks and had thrown them on the fire, a viper, driven by the heat, came out and fastened itself on his hand.

Romans 3:13

"Their throats resemble an opened grave; with their tongues they have been talking deceitfully." "The venom of vipers lies hidden behind their lips."

Romans 16:20

And before long, God the giver of peace will crush Satan under your feet. The grace of our Lord Jesus Christ be with you!

2 Timothy 4:17

The Lord, however, stood by me and filled me with inward strength, that through me the Message might be fully proclaimed and that all the Gentiles might hear it; and I was rescued from the lion's jaws.

Revelation 12:9

The great Dragon, the ancient serpent, he who is called 'the Devil' and 'the Adversary' and leads the whole earth astray, was hurled down: he 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, having the key of the bottomless pit, and upon his arm he carried a great chain.

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 venomous snakes, and if they drink any deadly poison it shall do them no harm whatever. They shall lay their hands on the sick, and the sick shall recover."
Acts 28:3
Now, when Paul had gathered a bundle of sticks and had thrown them on the fire, a viper, driven by the heat, came out and fastened itself on his hand.
Romans 3:13
"Their throats resemble an opened grave; with their tongues they have been talking deceitfully." "The venom of vipers lies hidden behind their lips."
Romans 16:20
And before long, God the giver of peace will crush Satan under your feet. The grace of our Lord Jesus Christ be with you!

The dragon

Revelation 12:9
The great Dragon, the ancient serpent, he who is called 'the Devil' and 'the Adversary' and leads the whole earth astray, was hurled down: he 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, having the key of the bottomless pit, and upon his arm he carried a great chain.