Micle and Custap berries and Cherish Balls are not found in Diamond and Pearl and can only be obtained through events such as this. Classic Ribbons prevent the holding Pokémon from being traded via the GTS. Both Pokémon will be in Cherish Balls and will hold Classic Ribbons.
Only Japanese versions of the game will be able to receive the two Pokémon. Players will need to bring their own copies of Diamond or Pearl and a Nintendo DS.