As a shapeshifter I can pull off most any organic creature, and duplicate a lot of special abilities with a little imaginative use of biology. However, psychic, magical, or other supernatural powers are very difficult, if not impossible, for me to duplicate on my own.
But I'm just as susceptible to changes via magic, specialized potions, or transformation technology as anyone is, and I've friends that have access to some of these triggers.
It appears while I was shapeshifting through various equitaur bodies, one of them has hit me with some kind of Pokenizer ray.