you cant you need a game shark. action replay is for ds games not gameboy.
clone a pkmn holding one!
action replay
Action Replay (AR) you get 999 of them
action replay. the makers of Pokemon wouldn't want you to get infinite master balls...you have to use an action replay
you have to have a Action Replay (avaliable at walmart), then go to youtube and type in "Action Replay Infinite Masterballs Cheat. PS: Action Replay normally costs 20$ and breaks easily.
Find an action replay code and program it, that's how you get many masterballs on Pokemon diamond action REPLAY. ;)
u haz to use ACTION REPLAY to get them
Use a game shark or play via an emulator and enable a cheat.
u can win masterballs in the lottery but it take a while to get 999 of them
you cant unless you use a action replay and cheat.
you have to cheat by using an action replay... i wouldn't its cheating :(
action replay,finda shiny magmar,and trade