It may sound like an odd combination - an official theme park for a basketball team? official cruise line? - but it's not so odd.
Disney is the 800 pound gorilla here, so the Magic should be joined with them. And think about the name. The "Magic". This is no coincidence!
More details here:
http://disneyparks.disney.go.com/blog/2010/09/disney-parks-teams-up-with-the-orlando-magic-and-amway-center/