You ONLY get in special Pokemon games.
You need to go special event
You get special Pokemon. For right now, for Pokemon Black and White, you could receive an Darkrai by using Mystery Gift. These special Pokemon are known as Mystery Gift Event Pokemon.
no
You go to a wifi spot after you get mystery gift (if you dont have it search how you get it on google) use the mystery gift and see if there is an event on if so download it
anything can be in a mystery gift if you have 2 they will both have different things
Mystery gift sends you items that unlocks legendary Pokemon, or it sends you the legendary Pokemon itself.
you get the myster gift in a Nintendo event
Well if there is a special giving away of a Pokemon for example Jirachi then go to game stop with your ds make sure you have platinum and get the Pokemon hope this helped
Yes! through mystery gift
no you can't get it without cheating
You have to have the action replay.