I Guess you could buy Action Replay for D.S
cheats
action replay (cheats)
you can not get a master ball in Pokemon platinum only the one professor Rowan gives you
You can't.
cyrus gives it to you
no
Action replay
Yes there is a code for 999 master balls in Pokemon platinum
You trade Pokemon from friends that's Pokemon is holding a master ball
Clone your Pokemon and give them the master ball
use a game shark and type "22671 master balls 99857=999
you can only get them with cheats