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In my opinion, Baton Pass forces every team to hold at least one Pokémon dedicated to stop the chain. In my experience of battling a Baton Pass Team, I have pulled out the win 63% of the time because the opposing team protects first turn and switches to a sweeper that does not completely need...
I love your appreciation of charizard y, but lead off with foretress to get cocoa pebbles of doom up and spin the other team's rocks, spikes, etc. away