Where do you get the Old Sea Map in Pokemon Emerald?
you can go to the Pokemon mart thing and go to the paper on the
bench and say "link together with all" and then save turn off the
game the when you start again go to the mystery gift and trade with
one of your friends!
you would have to do what the person above me said but... you
wauld have also needed to bring a wireless adaptor or something to
a Pokemon event that took place around 3-5 years ago. Unless you
want to try to find either a GBA Action replay or the sperate GBA
device for Pokemon codes, I'm afraid you're out of luck.