Following the announcement of events to take place in Norway and the US, Celebi will also be distributed at GameStop stores in Canada. Fans can download the Pokemon from February 21st to March 6th. It is the same Celebi given out elsewhere, with the ability to unlock Zorua in Black and White Versions and the moves Nasty Plot, Leaf Storm, Recover and Healing Wish. It will also be holding a Jaboca Berry. Celebi can be received on all fourth generation games.
Source: Official HGSS Website