Deuteronomy 8:19

8:19 Now if you forget the Lord your God at all and follow other gods, worshiping and prostrating yourselves before them, I testify to you today that you will surely be annihilated.

Deuteronomy 11:28

11:28 and the curse if you pay no attention to his commandments and turn from the way I am setting before you today to pursue other gods you have not known.

Deuteronomy 13:6

False Prophets in the Family

13:6 Suppose your own full brother, your son, your daughter, your beloved wife, or your closest friend should seduce you secretly and encourage you to go and serve other gods that neither you nor your ancestors have previously known,

Deuteronomy 18:20

18:20 “But if any prophet presumes to speak anything in my name that I have not authorized him to speak, or speaks in the name of other gods, that prophet must die.

Deuteronomy 20:5

20:5 Moreover, the officers are to say to the troops, “Who among you has built a new house and not dedicated it? He may go home, lest he die in battle and someone else dedicate it.

Deuteronomy 28:36

28:36 The Lord will force you and your king whom you will appoint over you to go away to a people whom you and your ancestors have not known, and you will serve other gods of wood and stone there.

Deuteronomy 28:64

28:64 The Lord will scatter you among all nations, from one end of the earth to the other. There you will worship other gods that neither you nor your ancestors have known, gods of wood and stone.

Deuteronomy 31:20

31:20 For after I have brought them to the land I promised to their ancestors – one flowing with milk and honey – and they eat their fill and become fat, then they will turn to other gods and worship them; they will reject me and break my covenant.