yes, but not on the ds. you'd have to get it on to the ds, than hack the game to make a mario.
It is not possible to get Mismagius by yourself in Pokemon Diamond. The only way to get a Mismagius in Pokemon Diamond is to trade one from Pokemon Pearl.
there is no way sorry
you can't get the pokemon off of pokemon black on diamond, but you can do it the other way around.
no way
you don't get rayquazza in Pokemon diamond the only way to get rayquazza is to transfer one from Pokemon ruby Sapphire and Emerald to Pokemon diamond
You cannot see it in the wild in Pokemon Diamond; you have to transfer it from FireRed/LeafGreen.
The only way you can see all the Pokemon on diamond is by going into the GTS and global trade different Pokemon.
there is no way to
No way!
the only way to get it is to trade it from Pokemon diamond or pearl you can get it on diamond and pearl by special events
The only way to get Regice on pokemon diamond is to transfer them from Ruby, Emerald, or Sapphire.
the same way to beat Pokemon PEARL!!!!