I've seen the mods that give them atrack or spell damage but those don't feel balanced to me. I think adding skill tree passives to them would be a better use of trophies and a nice way to augment your build. They dont have to be tier 4 passives either. Tier 1 would add plenty of variety. I'm not sure how hard this would be to do but i feel it would be a nice addition to the game.