The mods change the sig rules and make it so that everyone has to have a sig containing nothing but photos of kittens wearing hats, making your fabulous signature against the rules.
I wish I could have a never-ending jar of cookies!
Granted, but the legendaries become so powerful that humankind submits to their will and most human civilizations are destroyed because the pokemon want natural habitats.
Granted, but then no one eats anymore and the world becomes overrun with food!
I wish I could visit and leave my animal crossing new leaf world whenever and be able to communicate with my villagers!