or a charmer, or a consulter with a familiar spirit, or a wizard, or a necromancer.

which doesn't listen to the voice of charmers, no matter how skillful the charmer may be.

If the snake bites before it is charmed, then is there no profit for the charmer's tongue.

For, behold, I will send serpents, adders, among you, which will not be charmed; and they shall bite you, says Yahweh.