Problem with using the Mask in any versus match is that it is extremely hard to put any kind of frame on what the wearer can and cannot do. It's constantly mentioned throughout all the media the Mask appears in that the power of the Mask is only limited by the user's imagination. So what it can accomplish varies drastically depending on the person wearing it. One person might only think as far as giving themselves superhuman stats, where as another person might literally eat a planet, or, like in the comics, destroy a galaxy.