You will need to beat the elite four to have access to it, then you can ride the ferry there.
You trade from Pokemon Colosseum
pokemon colosseum
Trade from Pokemon colosseum
you have to trade him from Pokemon ruby or emerald.
You can but only from trading with Pokemon emerald or Pokemon colosseum.
The only way to get it is from Pokemon emerald or Pokemon colosseum.
It must be traded to you from emerald or Pokemon colosseum.
Not at all mew is an event Pokemon for Pokemon emerald.
You would have to trade a groudon from ruby or emerald to colosseum to have one.
Yes emerald can and you can get a sunflora from Pokemon colosseum.
Trade from FireRed, LeafGreen or Pokemon colosseum.
Trade pineco from emerald or colosseum.