Psalm 91:13

On lion and asp thou treadest, Thou trampest young lion and dragon.

Daniel 6:22

my God hath sent His messenger, and hath shut the lions' mouths, and they have not injured me: because that before Him purity hath been found in me; and also before thee, O king, injury I have not done.'

Mark 16:18

serpents they shall take up; and if any deadly thing they may drink, it shall not hurt them; on the ailing they shall lay hands, and they shall be well.'

Luke 10:19

lo, I give to you the authority to tread upon serpents and scorpions, and on all the power of the enemy, and nothing by any means shall hurt you;

Acts 28:3-6

but Paul having gathered together a quantity of sticks, and having laid them upon the fire, a viper -- out of the heat having come -- did fasten on his hand.

Judges 14:5-6

And Samson goeth down -- also his father and his mother, to Timnath, and they come unto the vineyards of Timnath, and lo, a lion's whelp roareth at meeting him,

1 Samuel 17:37

And David saith, 'Jehovah, who delivered me out of the paw of the lion, and out of the paw of the bear, He doth deliver me from the hand of this Philistine.' And Saul saith unto David, 'Go, and Jehovah is with thee.'

Job 5:23

(For with sons of the field is thy covenant, And the beast of the field Hath been at peace with thee.)

Psalm 58:4

Their poison is as poison of a serpent, As a deaf asp shutting its ear,

Isaiah 27:1

In that day lay a charge doth Jehovah, With his sword -- the sharp, and the great, and the strong, On leviathan -- a fleeing serpent, And on leviathan -- a crooked serpent, And He hath slain the dragon that is in the sea.

Romans 3:13

A sepulchre opened is their throat; with their tongues they used deceit; poison of asps is under their lips.

Romans 16:20

and the God of the peace shall bruise the Adversary under your feet quickly; the grace of our Lord Jesus Christ be with you. Amen!

2 Timothy 4:17

and the Lord stood by me, and did strengthen me, that through me the preaching might be fully assured, and all the nations might hear, and I was freed out of the mouth of a lion,

Revelation 12:9

and the great dragon was cast forth -- the old serpent, who is called 'Devil,' and 'the Adversary,' who is leading astray the whole world -- he was cast forth to the earth, and his messengers were cast forth with him.

Revelation 20:1-2

And I saw a messenger coming down out of the heaven, having the key of the abyss, and a great chain over 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 as poison of a serpent, As a deaf asp shutting its ear,
Mark 16:18
serpents they shall take up; and if any deadly thing they may drink, it shall not hurt them; on the ailing they shall lay hands, and they shall be well.'
Acts 28:3
but Paul having gathered together a quantity of sticks, and having laid them upon the fire, a viper -- out of the heat having come -- did fasten on his hand.
Romans 3:13
A sepulchre opened is their throat; with their tongues they used deceit; poison of asps is under their lips.
Romans 16:20
and the God of the peace shall bruise the Adversary under your feet quickly; the grace of our Lord Jesus Christ be with you. Amen!

The dragon

Isaiah 27:1
In that day lay a charge doth Jehovah, With his sword -- the sharp, and the great, and the strong, On leviathan -- a fleeing serpent, And on leviathan -- a crooked serpent, And He hath slain the dragon that is in the sea.
Revelation 12:9
and the great dragon was cast forth -- the old serpent, who is called 'Devil,' and 'the Adversary,' who is leading astray the whole world -- he was cast forth to the earth, and his messengers were cast forth with him.
Revelation 20:1
And I saw a messenger coming down out of the heaven, having the key of the abyss, and a great chain over his hand,