you cant ever get them at shops the only ways are action replay or transfer from other Pokemon games
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What i do is
a) use the pal park and transfer the Pokemon over holding a master ball ~
and
b) use other games and trade ~
You cant you only get one ( without action replay )
you can't
give one to a Pokemon and trade the Pokemon with the master ball.
You cannot get that many master balls without an Action Replay. You are only allowed one per game.
in every pokemon game you get one master ball before the leauge
$#@! no
You can't.
You can't.
you cant
The GTS cloning glitch.
Give your Master Ball to a Pokemon to hold, then clone it in Emerald with the cloning glitch.
with action replay or luck