It sounds like you're saying that everything is natural by definition.
Certainly not.
But suppose there was a god and this god made nature. Now we've got something that is supernatural. And if we've got that, we could have more, like little gods that God made out of supernatural stuff.
It is going to depend on what sort of god this is. If it is a deistic god that started everything up, then stepped back and allowed nature to take care of itself, then you can reasonably say that this is a supernatural god. But if you have a god who continually and repeatedly meddles with nature (creating a global flood, manually controlling the direction of evolution, impregnating a virgin), then you have a god that is very much a part of nature, perhaps even a pantheistic god.
The trouble with YECs is that they want it both ways. They want to insist that their god is supernatural, yet they also want to insist that their god meddles with nature.
The creationists are, in effect, painting themselves into a corner. You can think of a room, and somebody painting the floor. The painters are the scientists, who are spreading naturalist paint over all that they discover. The supernatural is the part that is left as unpainted. YECs complain that science ignores the supernatural. But science is not ignoring anything. Science is systematically painting the entire room, and "supernatural" simply refers to the part that they haven't yet got to. At some future time, human consciousness will be given a scientific explanation. After that, there will be very little left in the supernatural (i.e. unpainted) part of the room.