Leviticus 20:6

And the soul that turneth unto necromancers And unto soothsayers, to go a whoring after them, I will set my face against that soul, And will cut him off from among his people.

Leviticus 19:31

Turn not unto necromancers and unto soothsayers; seek not after them to make yourselves unclean: I am Jehovah your God.

Leviticus 20:27

And if there be a man or a woman in whom is a spirit of Python or of divination, they shall certainly be put to death: they shall stone them with stones; their blood is upon them.

Isaiah 8:19

And when they shall say unto you, Seek unto the necromancers and unto the soothsayers, who chirp and who mutter, say, Shall not a people seek unto their God? Will they go for the living unto the dead?

Exodus 34:15-16

lest thou make a covenant with the inhabitants of the land, and then, when they go a whoring after their gods, and sacrifice unto their gods, thou be invited, and eat of their sacrifice,

Leviticus 19:26

Ye shall eat nothing with the blood. Ye shall not practise enchantment, nor use auguries.

Numbers 15:39

and it shall be unto you for a tassel, that ye may look upon it, and remember all the commandments of Jehovah, and do them; and that ye seek not after the lusts of your own heart and your own eyes, after which ye go a whoring;

Deuteronomy 18:10-14

There shall not be found among you he that maketh his son or his daughter to pass through the fire, that useth divination, that useth auguries, or an enchanter, or a sorcerer,

1 Chronicles 10:13-14

And Saul died for his unfaithfulness which he committed against Jehovah, because of the word of Jehovah which he kept not, and also for having inquired of the spirit of Python, asking counsel of it;

Psalm 73:27

For behold, they that are far from thee shall perish; thou destroyest every one that goeth a whoring from thee.

Ezekiel 6:9

And they that escape of you shall remember me among the nations whither they have been carried captives, when I shall have broken their whorish heart, which hath departed from me, and their eyes, which go a whoring after their 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 stock, and their staff declareth unto them; for the spirit of whoredoms causeth them to err, and they have gone a whoring from under their God:

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 if there be a man or a woman in whom is a spirit of Python or of divination, they shall certainly be put to death: they shall stone them with stones; their blood is upon them.
Leviticus 19:26
Ye shall eat nothing with the blood. Ye shall not practise enchantment, nor use auguries.
Deuteronomy 18:10
There shall not be found among you he that maketh his son or his daughter to pass through the fire, that useth divination, that useth auguries, or an enchanter, or a sorcerer,
Isaiah 8:19
And when they shall say unto you, Seek unto the necromancers and unto the soothsayers, who chirp and who mutter, say, Shall not a people seek unto their God? Will they go for the living unto the dead?

Go

Exodus 34:15
lest thou make a covenant with the inhabitants of the land, and then, when they go a whoring after their gods, and sacrifice unto their gods, thou be invited, and eat of their sacrifice,
Numbers 15:39
and it shall be unto you for a tassel, that ye may look upon it, and remember all the commandments of Jehovah, and do them; and that ye seek not after the lusts of your own heart and your own eyes, after which ye go a whoring;
Psalm 73:27
For behold, they that are far from thee shall perish; thou destroyest every one that goeth a whoring from thee.
Ezekiel 6:9
And they that escape of you shall remember me among the nations whither they have been carried captives, when I shall have broken their whorish heart, which hath departed from me, and their eyes, which go a whoring after their 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 stock, and their staff declareth unto them; for the spirit of whoredoms causeth them to err, and they have gone a whoring from under their God:

General references

Exodus 22:18
thou shalt not suffer a witch to live.
Leviticus 18:29
For whoever committeth any of these abominations, ... the souls that commit them shall be cut off from among their people.
Leviticus 19:31
Turn not unto necromancers and unto soothsayers; seek not after them to make yourselves unclean: I am Jehovah your God.
Leviticus 23:30
And every soul that doeth any manner of work on that same day, the same soul will I destroy from among his people.