Yes. You can by making a ball and writing the "M" on it :
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( M )
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There a masterball.
Cheat codes
Clone your Pokemon and give them the master ball
No. However, you can clone a Master Ball on Emerald. There are also codes to get multiple Master Balls.
if its in a cave use dusk balls and ultra balls or just go and get arceus by ar or action replay codes but u should have had saved that master ball for arceus
You get one and only one after you defeat the team galactic boss or if you trade.
You cant.You can only get 2 master balls.
you can use cheat codes or get a friend with cheat codes to give you them.
cheat codes or gameshark
Enter these two codes and go to a PokeMart..there..You should be able to buy Master Balls. Master Code: D8BAE4D9 4864DCE5 Buy Master Balls Code: 82005274 0001
Use Action replay codes
action replay codes
Use gameshark codes.