Diancie-Volcarona Team

Princess Diancie (Diancie-Mega) @ Diancite
Ability: Magic Bounce
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Diamond Storm
- Earth Power
- Moonblast
- Protect

Volcarona @ Lum Berry
Ability: Flame Body
EVs: 72 HP / 252 SpA / 184 Spe
Timid Nature
- Quiver Dance
- Fire Blast
- Bug Buzz
- Giga Drain

Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 248 HP / 216 Def / 44 Spe
Bold Nature
- Volt Switch
- Hydro Pump
- Will-O-Wisp
- Pain Split

Landorus-Therian (M) @ Leftovers
Ability: Intimidate
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Earthquake
- U-turn
- Stealth Rock
- Knock Off

Latios (M) @ Life Orb
Ability: Levitate
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 30 Def / 30 SpA / 30 SpD / 30 Spe
- Draco Meteor
- Defog
- Memento
- Psyshock

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