Diancie Volcanion

Diancie @ Diancite
Ability: Clear Body
EVs: 208 Atk / 48 SpA / 252 Spe
Hasty Nature
- Diamond Storm
- Moonblast
- Earth Power
- Protect

Volcanion @ Safety Goggles
Ability: Water Absorb
EVs: 252 HP / 252 SpA / 4 Spe
Modest Nature
- Steam Eruption
- Heat Wave
- Protect
- Sludge Bomb

Salamence @ Life Orb
Ability: Intimidate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Tailwind
- Draco Meteor
- Fire Blast
- Hydro Pump

Aegislash @ Leftovers
Ability: Stance Change
EVs: 172 HP / 252 SpA / 84 Spe
Modest Nature
- Flash Cannon
- Shadow Ball
- Wide Guard
- King's Shield

Amoonguss @ Rocky Helmet
Ability: Regenerator
EVs: 252 HP / 176 Def / 80 SpD
Relaxed Nature
IVs: 0 Spe
- Giga Drain
- Protect
- Spore
- Rage Powder

Hoopa-Unbound @ Choice Scarf
Ability: Magician
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Hidden Power [Ice]
- Hyperspace Hole
- Hyperspace Fury
- Focus Blast