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I would replace tri-attack with ice beam on porygon2, and maybe give it the ability analytic or even trace. Download is kinda 50-50 if you get the sp.attack boost, and ice beam allows you to take care of dragons like m-salamence a lot easier, which trouble blaziken.
ended up placing 4th in the U.S with 1711 points. I'm pretty happy with the results :^). Missed out on third by 2 pts but competition was fun regardless.
Pursuit bug
so first turn weavile uses pursuit.
then i use volt switch with my foretress
and pursuit hits me...
and its not even second turn yet. i think this happens with baton pass too