If I'm trying this crap out, I might as well throw 2 into the same team..
Politoed@Choice Scarf
Ability: Drizzle
Nature: Modest
EVs: 4 HP / 252 Special attack / 252 Speed
Hydro Pump
Ice Beam
Psychic
Focus Blast
Dragonite@Lum Berry
Ability: Multiscale
Nature: Adamant
EVs: 252 HP / 252 Attack / 4 Speed
Dragon Dance
Fire Punch
Dragon Claw
Earthquake
Tornadus@Leftovers
Ability: Regenerator
Nature: Calm
EVs: 252 HP / 252 Special Defense / 4 Special Attack
Hurricane
Roost
U-Turn
Focus Blast
Ferrothorn@Leftovers
Ability: Iron Barbs
Nature: Impish
EVs: 252 HP / 252 Defense / 4 Special Defense
Leech Seed
Stealth Rock
Spikes
Power Whip
Scolipede@Leftovers
Ability: Poison Point
Nature: Careful
EVs: 252 HP / 160 Special Defense / 96 Attack
Toxic Spikes
Megahorn
Aqua Tail
Substitute
Slowbro@Leftovers
Ability: Regenerator
Nature: Bold
EVs: 252 HP / 252 Special Attack / 4 Special Defense
Slack Off
Calm Mind
Scald
Psyshock