[OU] Mega Sceptile + Belly Drum Azumarill + Mew

Azumarill @ Sitrus Berry
Ability: Huge Power
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Aqua Jet
- Play Rough
- Knock Off
- Belly Drum

Sceptile-Mega @ Sceptilite
Ability: Overgrow
EVs: 4 Atk / 252 SpA / 252 Spe
Naive Nature
- Leaf Storm
- Dragon Pulse
- Hidden Power [Fire]
- Earthquake

Heatran @ Leftovers
Ability: Flash Fire
EVs: 248 HP / 192 SpD / 68 Spe
Calm Nature
IVs: 0 Atk
- Lava Plume
- Taunt
- Toxic
- Stealth Rock

Mew @ Leftovers
Ability: Synchronize
EVs: 248 HP / 68 SpD / 172 Spe
Careful Nature
- Taunt
- Knock Off
- Will-O-Wisp
- Soft-Boiled

Tornadus-Therian @ Assault Vest
Ability: Regenerator
EVs: 248 HP / 8 Atk / 252 Spe
Hasty Nature
- Hurricane
- Knock Off
- U-turn
- Superpower

Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 248 HP / 132 Def / 128 Spe
Bold Nature
IVs: 0 Atk
- Volt Switch
- Hydro Pump
- Will-O-Wisp
- Pain Split