by entering codes but its only one way to get a darkrai set your language to Japanese and go get any events then a darkrai can appear!
go to an event
Go to a Pokemon event.
there is a Nintendo event maybe at gamestop and go to it with Pokemon heartgold and soulsilver and there you will get celibi
Hackz or go to a Pokemon event
That is when you go to an Nintendo event. They tell you everything there.
All of those Pokemon are event Pokemon, which means that you can only get them during a Pokemon event like Victini. The event hasn't come out yet though, so you have to wait until it does come out. The best way to find out when a Pokemon event is is to go to Pokemon.com and go to events and news.
You can't download event Pokemon, the only way is to go to an event or either trade online or with someone who has it. also gameshark to cheat
if you want to get the Manapy Pokemon go a Nintendo Pokemon Event who will give out the Manapy Pokemon.
you have to go to an event
go to a Pokemon event
It is a place where you find Shaiman. To go there you have to go to a pokemon event or have an action replay.
go to game stop or Wifi