Acts 19:13-16

But there were also some strolling Jewish exorcists, who took it upon them to invoke the name of Jesus over those who had evil spirits, saying, "I adjure you by that Jesus whom Paul preaches."

2 Corinthians 11:13-15

For such fellows are sham apostles of Christ.

2 Timothy 3:8

As Jannes and Jambres withstood Moses, so also do these men withstand the truth; being corrupt in mind and worthless in all that concerns the faith.

Treasury of Scripture Knowledge

Summary

And Zedekiah the son of Chenaanah made him horns of iron: and he said, Thus saith the LORD, With these shalt thou push the Syrians, until thou have consumed them.

Bible References

Horns of iron

Acts 19:13
But there were also some strolling Jewish exorcists, who took it upon them to invoke the name of Jesus over those who had evil spirits, saying, "I adjure you by that Jesus whom Paul preaches."
2 Corinthians 11:13
For such fellows are sham apostles of Christ.
2 Timothy 3:8
As Jannes and Jambres withstood Moses, so also do these men withstand the truth; being corrupt in mind and worthless in all that concerns the faith.