Ezekiel 38:14-16

14So, son of man, you must prophesy to Gog. Say to him, “This is what the Almighty Lord says: That is what you will decide to do at that time. You will do it when you see that my people, the Israelites, are living safely.

15You will come from your country far away in the north. You will bring many soldiers with you. All of them will be riding on horses. They will be a great army of many soldiers.

16Your army will be like a cloud that covers the land when you attack my people, the Israelites. In the days at the end of time I will bring you to attack my land. Yes, Gog, I will use you to show the nations that I am holy. Then they will know who I am.