Now that Mordenkainen's Tome of Foes is out, I'm wondering about how you would rank the gith and the other subraces added by the book. It adds:
nine tiefling subraces (Asmodeus*, Baalzebul, Dispater, Fierna, Glasya, Levistus, Mammon, Mephistopheles, Zariel)
three elf subraces (eladrin, sea...