Revelation 6:2
Then I saw a white horse, and its rider carried a bow. He was given a crown, and he rode forth as a victor to conquer.
Revelation 6:8
And there I saw a horse the color of ashes, and its rider's name was Death, and Hades followed him. They were given power over one quarter of the earth, to kill the people with sword, famine, death, and the wild animals of the earth.
Revelation 19:11
Then I saw heaven thrown open and there appeared a white horse. His rider was called Faithful and True, and he judges and wages war in uprightness.
Revelation 20:11
Then I saw a great white throne with a being seated on it from whose presence earth and sky fled so far that they could not be found.