You can't! it is exclusively an event coming later this year for the 13th movie.
you need a mystery gift or gamestop event.
You cannot find Celebi in Heartgold or Soulsilver, with the exception of obtaining one in the forest of Pal Park.
You can trade your Pokemon for a celebi.
Not without trading from a 3rd gen game.
you need a gs ball
Celebi cannot be caught in SoulSilver.
no
where do you get celibi in soul silver
Arceus celebi
No Pokemon game has cheats sorry.
Maybe celebi...
No