Instead of the player picking from a pool of ready-made banners, how hard would it be to implement a system whereby the charges were picked from a pool, and the colors of the field and charges selected separately? So, for example, one could pick a chevron for a charge, and then select green for the field and gold for the charge, blazoning Vert, a chevron or? It would allow for more customization.
And battle sisters, of course.
— Mal
"Of two choices, I always take the third."