there should be a new king Soloman that would be 5/5 multi-colored good brigade hero, but also a 5/5 pale green and gray evil charactar because he was good but at the same time he was evil
The same could be said for David, Peter, Jacob, Mary (not the mother of Jesus) or just about any other person in the history of the scriptures.
All have sinned and fall short of the Glory of God.
Redemption has to maintain that God is the only perfect being, yet his people strive to goodness. There are cards that convert heroes to evil characters. These cards help to prevent having good and evil versions of every hero in the game.