Yes.
you can get Shaymin by the action replay or through sept.28-oct.8 with the mystery gift.
One for every event Pokemon like Shaymin, Darkrai and the special Regigigas.
there is no shaymin (or arceus) in mystery dungeon 2. in Pokemon mystery dungeon explorers of the sky (check out serebii.net for that), there is shaymin and arceus, but i don't know if shaymin is recruitable.
NO!!!!!!!!!!!!!!!!!!!!!!! you can only get it on sky lucky me i have sky
Yes you can...
Yes You Do.
Event
yes transfer it from one of your DS Pokemon games (pearl, diamond, or platinum)
YesYou Can Get Shaymin Sky Form In Pokemon Platinum With A Cheat Code That Is A Special Flower.
Yes, you are able to obtain Shaymin.
Yes, you can transform Shaymin into a different form on Pokemon Platinum.
I don't think that is possible because the Sky form of Shaymin of Pokemon platinum was created after Pokemon battle revolution was released.