Hold it, y'all! Who is to say what color red and white feel like togather. Oh! Wait this is a custom set. We decide what it is like. 

If I had two cents, I would say that angel is very balanced as a 5/5 for Seven mana. Any member of the boros legion on Ravinia would enjoy such a creature leading the victory charge. The humans of Innastrad would also love that angel.