Get a wild pikachu after you beat the elite four and there will be a 75 percent chance that your pikachu will be holding a light ball.
There is no Light Ball item in Pokemon Yellow.
You need a second DS and a second pokemon black or white game
the master ball is for zekrom in white and reshiram in black
pikachu with light ball is better
the light stone isn't in Pokemon white only the dark stone in white and the light stone in black
No.
You can buy them in the Pokemon League Pokemon Center.
nop
yes, you can catch ANY pokemon with a master ball, reshiram is who it is aimed at in white 2
You can trade a Pokemon holding the light ball from a game like ruby.
You have to go and then go and then go to your home in Pokemon then you have to have a Lugia to have a light ball in firered
You cannot get a Love Ball in Pokémon Black and White.