don't know. They don't tell you about future gifts. they tell u when they are giving our out.
btw: its mystery gift not mastery gift
regigas
On march fourth in pokemon black and white 2.
If by "mastery gift" you mean "Mistery Gift," then go to any PokeMart in Pokemon Emerald, FireRed, or LeafGreen, and talk to the questionnaire at the counter near the guy. Input the words "link together with all."
the best pokemon in black and white is victini you can catch him if you go on mystery gift after you get the victini card you can pick him up from the mail man next to the door at any pokemon center
some time after Pokemon black and white comes out in spring 2011 march 6
Depends on the region you are in. Japan currently have a Jirachi event, it's possible that will be the next Worldwide one. (Information correct as 7/7)
there will be a next event on pokemon black and white
you have to give Kurt a red apricorn next a black one the a white then a pink and he gives a gift of which you swap with mr Pokemon for a master ball
The next Mystery Gift for Pokemon Soul Silver will be Celebi (Serbii). Starting March 6, 2011.
The next series is called pokemon black and white
It is Pokemon black and white
the next Pokemon game will come out in spring 2011 and will be called Pokemon black and white