What a fun thread to read though 
I dream small, since I just began playing a few weeks ago! But I would love to have the costume version of Belith. I would really like to have a green healer in my team, and I like how she looks - and since she is a three star, I hope she is in my reach sometime!
What I would be willing to trade for her…
Hm. I do not really have anything of value at this point… Can I interest you in a training manual? Oh, or all of my level 1 star heros at once? Deal?! 
As for five stars, I would adore to get one from the Avalon event. Lady of the Lake. But I guess that is very much out of reach for me. One day 