Team Mega-Blastoise OU

Azumarill (F) @ Sitrus Berry
Ability: Huge Power
Shiny: Yes
EVs: 168 HP / 252 Atk / 88 Spe
Adamant Nature
- Aqua Jet
- Waterfall
- Play Rough
- Belly Drum

Blastoise-Mega (M) @ Blastoisinite
Ability: Mega Launcher
EVs: 252 HP / 236 SpA / 20 Spe
Modest Nature
- Rapid Spin
- Water Pulse
- Dark Pulse
- Aura Sphere

Ferrothorn (M) @ Rocky Helmet
Ability: Iron Barbs
EVs: 248 HP / 88 Def / 172 SpD
Relaxed Nature
IVs: 0 Spe
- Thunder Wave
- Stealth Rock
- Power Whip
- Gyro Ball

Latios @ Life Orb
Ability: Levitate
EVs: 4 HP / 252 SpA / 252 Spe
IVs: 0 Atk
Timid Nature
- Hidden Power Fire
- Psyshock
- Draco Meteor
- Recover

Gothitelle (M) @ Choice Specs
Ability: Shadow Tag
Shiny: Yes
EVs: 252 SpA / 4 SpD / 252 Spe
IVs: 0 Atk
Modest Nature
- Psyshock
- Hidden Power [Fire]
- Trick
- Thunderbolt

Landorus-Therian @ Choice Scarf
Ability: Intimidate
Shiny: Yes
EVs: 24 hp / 252 atk / 232 Spe
Jolly Nature
- Earthquake
- Stone Edge
- U-turn
- Knock Off