Scriptures that can help you

· Satan often masquerades as an “angel of light” 2 Cor 11:14

· There is only 1 God not many—Isa 43:10-11—Isaiah 44:6

· All other gods it talks about are idols 1 Chron 16:26

· God of the Bible created the entire Universe Gen 1:16, Ps 8:3, Jer 31:35

· Jehovah (translated as “LORD”)  and Elohim (translated as God) are the same beings—Deut 4:35, 1 Kings 8:60, Psalm 100:2

What Mormons believe in a nutshell

Mormon History

Carm has a huge amount of information on how to witness to Mormons.