The Rainbow Server Destroyer

while true do
game.Lighting.FogEnd = 0
    game.Lighting.FogColor = Color3.new(math.random(), math.random(), math.random())
    wait()
    game.Lighting.FogColor = Color3.new(math.random(), math.random(), math.random())

 local a = Instance.new("Part", workspace)
a.BrickColor = BrickColor.random()
a.Material = "Metal"
a.Size = Vector3.new(100,100,100)
wait()
end