Earth. It's always there and it's wonderful. I can't say how many times I've wished to be an earthbender. I would feel so in touch with nature. I guess that would make sense, though. I'm a taurus, and taurus are earth (and stubborn, like earth).
I want a pet owlcat. And a badgermole.
And a seal-turtle, and a pentapus, and a pigster, and a sparrowkeet, and a koalaotter, and a dragon hawk, and a turkey duck, and a...
But even more than any of those, I want an old fashioned, classic sea turtle.