An all star cast weaves together a magical mystery tour. We start off watching four struggling magicians as they are chosen by an unknown benefactor to become the greatest magic act of all time. The story is fun to watch and it might have been a great movie if they had played it straight. The Prestige is an example of playing it straight, even though it had a decidedly crooked McGuffin. Now You See Me wants to debunk magic, but then insists on using CGI to perform many of the Four Horseman’s ‘illusions.’ You can’t explain the mechanics of a…