Your lucky to have gotten Pichu! I have one but, It's not the american event, it does the notched pichu, but mine is totally different from the gamestop one.
oh man.. that sux. yeah my friend and x roomate had gotten 5 masterballs by trading through all of his games and he didnt want them so he gave me like 4 of them and i used one on abra cuz i was mad that he kept teleporting :/ lol
~Self Portrait~ Behold, I have created the smith that bloweth the coals in the fire, and that bringeth forth an instrument for his work; and I have created the waster to destroy.~IS 54:16