Ellen G. White
It is the lying wonders of the devil that will take the world captive, and he will cause fire to come down from heaven in the sight of men. He is to work miracles, and this wonderful, miracle-working power is to sweep in the whole world.—Selected Messages 2:51 (1890). – {LDE 167.3}

Satan will come in to deceive if possible the very elect. He claims to be Christ, and he is coming in, pretending to be the great medical missionary. He will cause fire to come down from heaven in the sight of men to prove that he is God.—Medical Ministry, 87, 88 (1903). – {LDE 167.4}

It is stated in the Word that the enemy will work through his agents who have departed from the faith, and they will seemingly work miracles, even to the bringing down of fire out of heaven in the sight of men.—Selected Messages 2:54 (1907). – {LDE 167.5}