[ZettaSlowbro]

I'd probably go Steel type, if I had to stick with one type. I'd hand out, TM75 Swords Dance, and the "Dead Weight Badge"

Spoiler:

Stealth Rock
Meteor Mash
Hammer Arm
Bullet Punch

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Substitute
Focus Punch
Fire Blast
Crunch

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Roost
Spikes
Whirlwind
Brave Bird

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Swords Dance
Earthquake
Rock Slide
Shadow Claw

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Swords Dance
Close Combat
ExtremeSpeed
Ice Punch

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Pursuit
Bullet Punch
U-turn
Roost