Like the Cat pregen on the list provided by Brycelor, Extraordinary attributes can be also…attributed to an animal’s acute senses, an ancient curse/blessing bestowed by a higher power or raw luck.
Each setting handles the extraordinary differently, and since i don’t see yours particularly tech oriented magic in one shape or another would likely be the main way to represent Extraordinary stats in your game.
PS: You can also see extra archetypes here:
You might find to give you inspiration and convert it to your setting 