Best OU team yet

Gengar @ Choice Band
Ability: Levitate
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Sucker Punch
- Body Slam
- Curse
- Drain Punch

Salamence @ Aguav Berry
Ability: Intimidate
- Toxic
- Protect
- Tailwind
- Wish

Ferrothorn @ Choice Scarf
Ability: Iron Barbs
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
- Hyper Beam
- Acid Spray
- Thunder
- Solar Beam

Talonflame @ Air Balloon
Ability: Flame Body
EVs: 4 HP / 4 SpA / 248 SpD
Calm Nature
- Will-O-Wisp
- Bulk Up
- Flamethrower
- Roost

Abomasnow-Mega @ Abomasite
Ability: Snow Warning
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
- Rain Dance
- Water Pulse
- Hidden Power [Fire]
- Block

Slowbro @ Focus Sash
Ability: Oblivious
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
- Whirlpool
- Me First
- Slack Off
- Blizzard