Well, one person could float things, and there's this one girl who was talking about there being "benders" in her world, where people can manipulate the elements at their own will. I haven't met every single person, here, but I just know there are many others who can do incredible things.
But then there's stuff that affects Kiseki as a whole. Like make a person grow younger for a while, and strange stuff like that. Usually they're pretty neat, although sometimes they're not so fun.