Albert Barnes Commentary Deuteronomy 13:1

"If there arise in the midst of thee a prophet, or a dreamer of dreams, and he give thee a sign or a wonder," — Deuteronomy 13:1 (ASV)

A prophet, or a dreamer of dreams - Compare (Numbers 12:6). The “prophet” received his revelations by vision or direct oral communication (Numbers 24:16; 2 Samuel 7:4; 2 Corinthians 12:2); “the dreamer of dreams” through the medium of a dream (1 Kings 3:5; Matthew 2:13).