Psalm 91:13

Thou shall tread upon the lion and adder. The young lion and the serpent thou shall trample under foot.

Daniel 6:22

My God has sent his [heavenly] agent, and has shut the lions' mouths, and they have not hurt me, inasmuch as before him innocence was found in me. And also before thee, O king, I have done no harm.

Mark 16:18

They will take up serpents, and if they drink anything deadly, it will, no, not harm them. They will lay hands on the feeble, and they will fare well.

Luke 10:19

Behold, I give you authority to tread over serpents and scorpions, and over all the power of the enemy, and, no, nothing will harm you.

Acts 28:3-6

And Paul having gathered a quantity of sticks, and having placed them on the fire, a viper having come out from the heat, it fastened on his hand.

Judges 14:5-6

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

1 Samuel 17:37

And David said, LORD 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 LORD shall be with thee.

Job 5:23

For thou shall 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, like the deaf adder that stops her ear,

Isaiah 27:1

In that day LORD with his hard and great and strong sword will punish leviathan the swift serpent, and leviathan the crooked serpent, and he will kill the monster that is in the sea.

Romans 3:13

Their throat is an open grave. With their tongues they deceive. The poison of asps is under their lips,

Romans 16:20

And the God of peace will crush Satan under your feet shortly. The grace of our Lord Jesus Christ is with you.

2 Timothy 4:17

But the Lord stood by me and strengthened me, so that through me the sacred message might be brought to fullness, and all the Gentiles might hear. And I was rescued out of the mouth of the lion.

Revelation 12:9

And the great dragon was cast out, the ancient serpent, called the Devil and Satan, he who leads the whole world astray. He was cast out to the earth, and his agents were cast out with him.

Revelation 20:1-2

And I saw an agent coming down out of 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, like the deaf adder that stops her ear,
Mark 16:18
They will take up serpents, and if they drink anything deadly, it will, no, not harm them. They will lay hands on the feeble, and they will fare well.
Acts 28:3
And Paul having gathered a quantity of sticks, and having placed them on the fire, a viper having come out from the heat, it fastened on his hand.
Romans 3:13
Their throat is an open grave. With their tongues they deceive. The poison of asps is under their lips,
Romans 16:20
And the God of peace will crush Satan under your feet shortly. The grace of our Lord Jesus Christ is with you.

The dragon

Isaiah 27:1
In that day LORD with his hard and great and strong sword will punish leviathan the swift serpent, and leviathan the crooked serpent, and he will kill the monster that is in the sea.
Revelation 12:9
And the great dragon was cast out, the ancient serpent, called the Devil and Satan, he who leads the whole world astray. He was cast out to the earth, and his agents were cast out with him.
Revelation 20:1
And I saw an agent coming down out of heaven having the key of the abyss and a great chain in his hand.