Leviticus 20:6

And the person that turns after spiritists or after diviners to prostitute themselves after them, I will even set my face against that person and will cut him off from among his people.

Leviticus 19:31

Do not return unto spiritists or seek after diviners, to be defiled by them. I AM your God.

Leviticus 20:27

And the man or the woman that consults with spiritists, or that is a diviner, shall surely die; they shall stone them with stones; their blood shall be upon them.

Isaiah 8:19

And when they shall say unto you, Seek unto spiritists and unto wizards that peep and that mutter; shall the people not seek unto their God? Shall we appeal for the living unto the dead?

Exodus 34:15-16

Therefore thou shalt not make a covenant with the inhabitants of that land because they shall fornicate after their gods and do sacrifice unto their gods, and they shall call thee, and thou shalt eat of their sacrifices

Leviticus 19:26

Ye shall not eat any thing with blood. Ye shall not be fortunetellers, nor diviners.

Numbers 15:39

And it shall be unto you for a fringe that ye may look upon it and remember all the commandments of the LORD and do them and that ye seek not after your own heart and your own eyes, seeking after which ye fornicate.

Deuteronomy 18:10-14

There shall not be found among you any one that makes his son or his daughter to pass through the fire or that uses divination or an observer of times or an enchanter or a witch

1 Chronicles 10:13-14

So Saul died for his rebellion which he committed against the LORD, even against the word of the LORD, which he did not keep, and also for consulting a spiritist, to enquire of her

Psalm 73:27

For, behold, those that stray from thee shall perish; thou dost cut off all those that go a whoring from thee.

Ezekiel 6:9

And those that escape of you shall remember me among the Gentiles where they shall be carried captives because I am broken because of your whorish heart, which has departed from me and because of your eyes, which went a whoring after your idols: and they shall loathe themselves for the evils which they have committed in all their abominations.

Hosea 4:12

My people ask counsel of their wooden idol, and their stick declares unto them; for the spirit of whoredoms has caused them to err, and they have gone a whoring under their gods.

Treasury of Scripture Knowledge

Summary

And the soul that turneth after such as have familiar spirits, and after wizards, to go a whoring after them, I will even set my face against that soul, and will cut him off from among his people.

Bible References

Familiar

Leviticus 20:27
And the man or the woman that consults with spiritists, or that is a diviner, shall surely die; they shall stone them with stones; their blood shall be upon them.
Leviticus 19:26
Ye shall not eat any thing with blood. Ye shall not be fortunetellers, nor diviners.
Deuteronomy 18:10
There shall not be found among you any one that makes his son or his daughter to pass through the fire or that uses divination or an observer of times or an enchanter or a witch
Isaiah 8:19
And when they shall say unto you, Seek unto spiritists and unto wizards that peep and that mutter; shall the people not seek unto their God? Shall we appeal for the living unto the dead?

Go

Exodus 34:15
Therefore thou shalt not make a covenant with the inhabitants of that land because they shall fornicate after their gods and do sacrifice unto their gods, and they shall call thee, and thou shalt eat of their sacrifices
Numbers 15:39
And it shall be unto you for a fringe that ye may look upon it and remember all the commandments of the LORD and do them and that ye seek not after your own heart and your own eyes, seeking after which ye fornicate.
Psalm 73:27
For, behold, those that stray from thee shall perish; thou dost cut off all those that go a whoring from thee.
Ezekiel 6:9
And those that escape of you shall remember me among the Gentiles where they shall be carried captives because I am broken because of your whorish heart, which has departed from me and because of your eyes, which went a whoring after your idols: and they shall loathe themselves for the evils which they have committed in all their abominations.
Hosea 4:12
My people ask counsel of their wooden idol, and their stick declares unto them; for the spirit of whoredoms has caused them to err, and they have gone a whoring under their gods.

General references

Exodus 22:18
Thou shalt not suffer a witch to live.
Leviticus 18:29
For whoever shall commit any of these abominations, the persons that commit them shall be cut off from among his people.
Leviticus 19:31
Do not return unto spiritists or seek after diviners, to be defiled by them. I AM your God.
Leviticus 23:30
And any person that does any work in that same day, the same person will I destroy from among his people.