Veil is Bad

Ninetales-Alola @ Light Clay
Ability: Snow Warning
EVs: 248 HP / 8 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Aurora Veil
- Freeze-Dry
- Hail
- Hypnosis

Sandslash-Alola @ Chople Berry
Ability: Slush Rush
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Aurora Veil
- Iron Head
- Rapid Spin
- Stealth Rock

Volcarona @ Psychium Z
Ability: Flame Body
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Fiery Dance
- Hidden Power [Ground]
- Psychic
- Quiver Dance

Kommo-o @ Salac Berry
Ability: Soundproof
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Belly Drum
- Drain Punch
- Poison Jab
- Substitute

Pinsir-Mega @ Pinsirite
Ability: Hyper Cutter
Happiness: 0
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Earthquake
- Feint
- Frustration
- Swords Dance

Thundurus-Therian (M) @ Life Orb
Ability: Volt Absorb
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Agility
- Focus Blast
- Hidden Power [Ice]
- Thunderbolt