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Too many Pokemon outclass it that do the same thing as he does. Kabutops is a better Rain Dance sweeper, and Machamp does the encore-sub set much better. Could be viable in UU, but I just don't see it happening.
Maybe it's just the language, but I feel with all the fancy graphics, everything just seems slow...I cant really explain it, but just trying to EV train or breed or anything just won't be like it used to be. Maybe its just me, i dont know.