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I used Heart swap Manaphy very effectively on a stall team on the first Manaphy suspect test. it helped fill many holes in my teams stopping pokemon that set up in their tracks and just generally cleaning up after residual spikes damage, even without stealing some boosts.
Oh well there is always next year who would have thought DawnBringer would manage to 7-0 EW all with his Rhyperior
Edit: Reverb everyone knows Jumpluff is EWs weakness silly
Even though I am on neither team, I would like to see Aldaron and LD battle because the match would be awesome. Also @scofield he only declined because he thought DB would do it.