Well...I sort of do that with hp pots, I have normal and fine right next to each other but I see what you're saying; that would be cool...
I really don't like that new casting system for evie...it's slower; why would they make something worse for a character? It was fine the way it was imo.
It would really help for those not staff evies with staying alive.
Not all of us have wonderful magical little shields on our health that regenerate.