The new Marauders and the trickster God

Loki the god of mischief and mayhem is bored as hell. Since the Winchester brothers are more inclined to kill him, pranking them is out of question. But wait isn't the saviour of magical Britain and son of one of his most devoted followers attending Hogwarts soon? Weren't there also twins who worship him? That sounded a lot more fun but will Hogwarts survive it? NO SLASH! fem!Lucy