“He who sacrifices to any god, except to Yahweh only, shall be utterly destroyed.”
Exodus 22:20 (WEB)
Context Reading
18“You shall not allow a sorceress to live. 19“Whoever has sex with an animal shall surely be put to death. 20“He who sacrifices to any god, except to Yahweh only, shall be utterly destroyed. 21“You shall not wrong an alien or oppress him, for you were aliens in the land of Egypt. 22“You shall not take advantage of any widow or fatherless child.