first thing you can only have 900 master balls if you use cheats. you say you dont want with action replay, so i know that the R4 has cheats already build in so you can choose the cheats you want without any codes.
Magic
download the cheat
Clone them using action replay
Buy an action replay works for Pokemon pearl dimond and platinum
Pokemon lotery and action replay
You cannot get that many master balls without an Action Replay. You are only allowed one per game.
you can't
you dont
you can't
No
cant
You cant you only get one ( without action replay )
r4
you cant without a action replay
$#@! no
You can't.
You can't.