Acts 8:11

And they were giving heed to him, because that, for a considerable time, with his magical arts, he had astonished them.

Acts 8:9

But, a certain man named Simon, was already in the city, practising magical arts, and astonishing the nation of Samaria, - saying that himself was someone great:

Galatians 3:1

O thoughtless Galatians! who hath bewitched you, - before whose very eyes, Jesus Christ, was openly set forth as a crucified one?

Isaiah 8:19

But, when they say unto you - Seek ye unto the necromancers and unto the wizards, who chirp, and who mutter, Should not u people seek, unto its God? In behalf of the living, should it seek unto the dead?

Isaiah 44:25

Frustrating the signs of praters, And, diviners, he confoundeth, - Turning wise men backwards, And their knowledge, he maketh folly;

Isaiah 47:9-13

Yet shall there come to thee - both these, in a moment, in one day, Loss of children and widowhood, - To their full, have they come on thee, Spite of the mass of thine incantations, Spite of the great throng of thy spells.

Treasury of Scripture Knowledge

Summary

And to him they had regard, because that of long time he had bewitched them with sorceries.

Bible References

He had

Isaiah 8:19
But, when they say unto you - Seek ye unto the necromancers and unto the wizards, who chirp, and who mutter, Should not u people seek, unto its God? In behalf of the living, should it seek unto the dead?
Isaiah 44:25
Frustrating the signs of praters, And, diviners, he confoundeth, - Turning wise men backwards, And their knowledge, he maketh folly;
Isaiah 47:9
Yet shall there come to thee - both these, in a moment, in one day, Loss of children and widowhood, - To their full, have they come on thee, Spite of the mass of thine incantations, Spite of the great throng of thy spells.
Galatians 3:1
O thoughtless Galatians! who hath bewitched you, - before whose very eyes, Jesus Christ, was openly set forth as a crucified one?

General references

Exodus 22:18
A sorceress, shalt thou not suffer to live.
Leviticus 19:31
Do not turn unto mediums, Nor, for oracles, make search, To render yourselves unclean with them, I - Yahweh, am your God.
Acts 8:19
Saying - Give unto me also this authority, - in order that, on whomsoever may lay my hands, he may receive Holy Spirit.