You had to have a Wi-Fi connection when there was the event, or us an AR code but, i can't remember it.
its the card that enables you to use the wifi station in jublife city.
you Google cheats for Pokemon diamond and something will pop up
A diamond card typically features a sleek and elegant design, often incorporating a diamond motif or pattern. It may be embellished with metallic or glossy finishes, giving it a luxurious appearance. The card often includes unique features like a holographic image or intricate detailing to enhance its exclusivity. Overall, it conveys a sense of prestige and sophistication.
You require a door key, which is obtained via Action Replay.
Ha ha! No, not exactly. ^_^' They get the item needed to access that Pokemon labeled on the card., just like on your card.
action replay or event
Probably.
Mystery Gift or using Action Replay
first you must have 666666666666 darkrais than you can talk to the man in ##### and jubilife town than you get the members card
You have to have either an action replay or an event.
get the members card and go into the house with the locked door
no you can only get it by mystery gft
You can get the member card in diamond and pearl but the event for it in platinum is august 3rd to September 13th (you have to have wi-fi connection to do this)
you get it through Nintendo event or mystery gift on Pokemon pearl platinum or diamond
You need a members pass/card to get into the hotel in the same town, then you'll be at the island after a bit of dialogue (You can only get a members pass/card from Pokemon events or AR).
first you must mave a members card with is only avalible at a Nintendo event by via WI-FI
The only way to get it is to use the members card, which is distributed at Nintendo events.