Orb of deception trinket

why [Orb of Deception] always transform me into undead, i want to be an orc :(

https://letmegooglethat.com/?q=orb+o...ransformations

i found why, is not random, every race is associated with another one:

Gnome Male <-> Tauren Male
Gnome Female <-> Tauren Female
Human Male <-> Orc Male
Human Female <-> Orc Female
Night Elf Male <-> Undead Male
Night Elf Female <-> Undead Female
Dwarf Male <-> Troll Male
Dwarf Female <-> Troll Female
Blood Elf Male <-> Draenei Male
Blood Elf Female <.> Draenei Female

:(