Do you miss something on BrainKing.com and would you like to see it here? Post your request into this board! If there is a more specific board for the request, (i.e. game rule changes etc) then it should be posted and discussed on that specific board.
Vikings: The only use I can see for this is some kind of totour mode were a master can teach someone and the master can tell the puple to take back that stuped move and look again.