Well, yes I suppose it is, but it was more the general pose and facial expression. The Voice of Grace definitely looks like she's faced the trials of a being a female character in PhoenixFeathers in the day that painting was done.
[Serra was banned]? Is that just because it rotated out, or was it genuinely considered too powerful?
Looking at the sets it appeared in, my first guess is that it rotated out. I'd need to check the dates to be sure - but AFAIK, it's no longer considered to be one of the most efficient creatures around. (I've seen it argue that it was, once). Oh, and my favourite, possibly: [Wayward Angel] -- TheInquisitor