Psalm 91:13

Thou shalt tread upon the lion and the adder; the young lion and the dragon shalt thou trample under foot.

Daniel 6:22

My God hath sent his angel, and hath shut the lions' mouths, that they have not hurt me; forasmuch as before him innocence was found in me; and also before thee, O king, have I done no hurt.

Mark 16:18

they shall take up serpents; and if they should drink any deadly thing it shall not injure them; they shall lay hands upon the infirm, and they shall be well.

Luke 10:19

Behold, I give you the power of treading upon serpents and scorpions and over all the power of the enemy, and nothing shall in anywise injure you.

Acts 28:3-6

And Paul having gathered a certain quantity of sticks together in a bundle and laid it on the fire, a viper coming out from the heat seized his hand.

Judges 14:5-6

Then Samson went down with his father and mother to Timnah, and he came to the vineyards of Timnah. And behold, a young lion roared against him;

1 Samuel 17:37

And David said, Jehovah who delivered me out of the paw of the lion and out of the paw of the bear, he will deliver me out of the hand of this Philistine. And Saul said to David, Go, and Jehovah be with thee.

Job 5:23

For thou shalt be in league with the stones of the field, and the beasts of the field shall be at peace with thee.

Psalm 58:4

Their poison is like the poison of a serpent: they are like the deaf adder which stoppeth her ear;

Isaiah 27:1

In that day Jehovah, with his sore and great and strong sword, will visit leviathan the fleeing serpent, and leviathan the crooked serpent; and he will slay the monster that is in the sea.

Romans 3:13

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

Romans 16:20

But the God of peace shall bruise Satan under your feet shortly. The grace of our Lord Jesus Christ be with you.

2 Timothy 4:17

But the Lord stood with me, and gave me power, that through me the proclamation might be fully made, and all those of the nations should hear; and I was delivered out of the lion's mouth.

Revelation 12:9

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

Revelation 20:1-2

And I saw an angel descending from the 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

Psalm 58:4
Their poison is like the poison of a serpent: they are like the deaf adder which stoppeth her ear;
Mark 16:18
they shall take up serpents; and if they should drink any deadly thing it shall not injure them; they shall lay hands upon the infirm, and they shall be well.
Acts 28:3
And Paul having gathered a certain quantity of sticks together in a bundle and laid it on the fire, a viper coming out from the heat seized his hand.
Romans 3:13
their throat is an open sepulchre; with their tongues they have used deceit; asps' poison is under their lips:
Romans 16:20
But the God of peace shall bruise Satan under your feet shortly. The grace of our Lord Jesus Christ be with you.

The dragon

Isaiah 27:1
In that day Jehovah, with his sore and great and strong sword, will visit leviathan the fleeing serpent, and leviathan the crooked serpent; and he will slay the monster that is in the sea.
Revelation 12:9
And the great dragon was cast out, the ancient serpent, he who is called Devil and Satan, he who deceives the whole habitable world, he was cast out into the earth, and his angels were cast out with him.
Revelation 20:1
And I saw an angel descending from the heaven, having the key of the abyss, and a great chain in his hand.