Exodus 22:20 in the King James Version
He that sacrificeth unto any god, save unto the LORD only, he shall be utterly destroyed.
Context
19 “Whoever has sex with an animal shall surely be put to death.
20 “He who sacrifices to any god, except to the LORD only, shall be utterly destroyed.
21 “You shall not wrong an alien or oppress him, for you were aliens in the land of Egypt.