well it could only eat Ptomaophis vermiculatus (Worm-like Corpse Snake) and it either be a Mexican Spadefoot Toad, Couch's Spadefoot Toad, Western (Great Basin) Spadefoot, Red-spotted Toad, Arizona Tree Frog, Blanchard's Cricket Frog, Woodhouse’s Toad, or the Canyon Treefrog. also, Ptomaophis vermiculatus are extremely venomous so the mutant must be pretty venom and poison resistant