Elaborate on the Digimon you'd want to use. Like tell me them and the one that was Nature Spirit. Virus Buster, Metal Empire and not Dragon's Roar.

Look like? Well, you could alter physiology if you want, but it'd mainly be that you sorta pick and choose a set number of stat increases of each type, made eligible by the two combined classes, like you pick two of the x5's, and an equal number of x3's, and so-on. I think I listed it in the doc.