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Hey man, just saw your amcheck on DOU Virizion :)! Just a heads up, Doubles has a set of specific Checks & Counters tags for the sake of uniformity, so Speed shouldn't be changed. You can find the tags here if you wanna know more in case you wanna do amchecks with other DOU-related stuff in the future :) - http://www.smogon.com/forums/threads/writing-doubles-analyses-required-reading.3532153/