Although it does come with the drawback that you take the same amount of battle damage as your opponent, you can combine it with cards such as Impenetrable Attack, which prevent you from taking battle damage that turn
Charlie Cantino stated in 2006 that "about five" of each rare was made, while Joel Mick more recently estimated that it was "one to four"
You don't choose a target for Serum-Core Chimera's last ability at the time you activate it
Were in it for the community, Andy says
By connecting the Dark-type to two of [the five core types], we believe we managed to increase the range of strategies available to players. Update : The folks over at PokeBeach did a thorough breakdown of what these changes to Weakness mean for the game and even made a chart to simplify things
That poses a problem, however: the ratio of uncommons to commons is too high (44 to 77 instead of 33 to 77 which would be required)