allows any druid that can wild shape to do so into any beast or monster within the challenge rating limit.
exclusions(either by type or species) and available racial abilities determined by the DM
for example: you can turn into a Gnoll, but will not have Rampage, you can turn into an imp, but will not have Magic Resistance, you are unable to turn into a dragon wyrmling, or you are unable to wildshape into anything with the construct or undead type