Ezekiel 38:3
"And say, Thus saith the Lord GOD; Behold, I am against thee, O Gog, the chief prince of Meshech and Tubal:"
Cross References (ranked by relevance)
Ezekiel 13:8
Therefore thus saith the Lord GOD; Because ye have spoken vanity, and seen lies, therefore, behold, I am against you, saith the Lord GOD.
Ezekiel 29:3
Speak, and say, Thus saith the Lord GOD; Behold, I am against thee, Pharaoh king of Egypt, the great dragon that lieth in the midst of his rivers, which hath said, My river is mine own, and I have made it for myself.
Ezekiel 35:3
And say unto it, Thus saith the Lord GOD; Behold, O mount Seir, I am against thee, and I will stretch out mine hand against thee, and I will make thee most desolate.