How do you get extra master balls in Emerald?

YOU GO TO LILYCOVE DEPT. STORE AND TALK TO THE LADY AT THE FRONT COUNTER,.. THE ONE TO THE RIGHT AND SHE WILL GIVE YOU A LOTO TICKET IF ALL NUMBERS MATCH YOU WILL GET MORE MASTERBALS.

AnswerYou need:

Loads of gameboys

Link

Ok , first , get a Pokemon game for every gameboy. Second , get master ball in every game. Third , make a Pokemon in the games to hold the master ball. Last but not least , trade the Pokemon to the main game.or just do a game shark code i cant find :/