You have to find poke balls in the wild which contain rare candy in them.
Hearthome city.
Giratina Type: Ghost/Dragon
OK how do you get Darkrai,Articuno,and Arceus on Pokemon Platinum? buy them at the rare Pokemon store
get action replay
There isn't a rare Pokemon store, but there is an actual Pokemon store in Japan.
The rare Pokemon which you can get before the Elite Four in Pokemon Platinum are Giratina, Mesprit, Uxie, and Azelf.
There are probly a total of 8 rare candies in Pokemon platinum
In Pokemon Platinum, Diamond, and Pearl, the department store is is Veilstone city.
Golden Arceus
there are lots of ways to get rare Pokemon in platinum. For example, on January 30 2010 go to a GameStop and you can get the Pikachu-colored Pichu.
you cant
It elevates your Pokemon up one level.