You beat the cipher boss then go then go to the basement of the Pokemon center in Phenic City and talk to the person.
Only if you trade one from Ruby, Sapphire, or Emerald.
None. Colosseum does not recognize Emerald games. It can only trade to Ruby or Sapphire.
Yes.
download onto ruby/saphire/emrald from coloseum bonus disc.
You can trade from Pokemon Ruby to another Pokemon Ruby using a link cable.
trade from Ruby/Sapphir trade from Ruby/Sapphir trade from Ruby/Sapphir trade from Ruby/Sapphir
sorry to disapoint you but there is no way you have to migrate it from your gba game i think on emerald Sapphire or ruby you can get it on Pokemon coloseum and Pokemon channel
Trade with Ruby.
NO you can not play Pokemon emerald in Coloseum.
You can only trade Pokemon from colosseum to GBA games not gameboy games.
no
im not even sure if you CAN trade in Pokemon ruby but if im wrong erase my answer and improve it