Originally Posted by Dark Thunder
But the japanese Pokemon Colosseum released a bonus disc with Celebi, I believe. Maybe you could trade it from a person who has got it that way. So, no, that's not really an event yet you still get it.
... I'm probably one of the few people left that will calmly tell everyone this:
You can't trade RSE Pokémon (including ones from prior games) to GSC.
I got my friend to get me Celebi over Gameshark... Good times. :P