I asked a while back to get a Shauna full art trainer card, and then we ended up getting one just as the card became obsolete with the release of Ultra Prism.
Ninja Boy and a few other trainer cards are also very popular and could use a full art. I'd love to see all trainers getting full arts in the future. It doesn't really look great to have a good full art deck and that one or two trainers as regular cards.
*Anyone else have any requests for full art versions?*