OU Rain

Kingdra @ Life Orb
Ability: Swift Swim
EVs: 4 HP / 252 SpA / 252 Spe
Modest Nature
- Rain Dance
- Scald
- Draco Meteor
- Hydro Pump

Politoed @ Damp Rock
Ability: Drizzle
EVs: 248 HP / 164 SpD / 96 Spe
Calm Nature
- Encore
- Psychic
- Scald
- Ice Beam

Swampert @ Swampertite
Ability: Torrent
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Ice Punch
- Earthquake
- Superpower
- Waterfall

Scizor @ Leftovers
Ability: Technician
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Bullet Punch
- Defog
- U-turn
- Aerial Ace

Tornadus-Therian @ Leftovers
Ability: Regenerator
EVs: 4 HP / 252 SpA / 252 Spe
Hasty Nature
- Hurricane
- U-turn
- Focus Blast
- Sludge Bomb

Ferrothorn @ Leftovers
Ability: Iron Barbs
Serious Nature
IVs: 0 Spe
- Spikes
- Stealth Rock
- Leech Seed
- Gyro Ball