Simple idea, requires no additional items, just a slight tweak to the racial calculator.
Sphinx: 9 race points possible
Human Head, +1 Point
Human Eyes, +1 Point
Human Ears, +1 Point
Regular Hair, +1 Point
Has Fur, +1 Point
Lion or Feline Arms, +1 Point
Lion or Feline Legs, +1 Point
Lion or Feline Tail, +1 Point
Dove or Avian Wings, +1 Point
It's quite probable that this list of traits might be able to be condensed down further, but this is the first pass idea. Thoughts?
Sphinx: 9 race points possible
Human Head, +1 Point
Human Eyes, +1 Point
Human Ears, +1 Point
Regular Hair, +1 Point
Has Fur, +1 Point
Lion or Feline Arms, +1 Point
Lion or Feline Legs, +1 Point
Lion or Feline Tail, +1 Point
Dove or Avian Wings, +1 Point
It's quite probable that this list of traits might be able to be condensed down further, but this is the first pass idea. Thoughts?