3 Overcoat Hail

Ninetales-Alola @ Light Clay
Ability: Snow Cloak
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Aurora Veil
- Freeze-Dry
- Blizzard
- Moonblast

Kommo-o @ Kommonium Z
Ability: Overcoat
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Clanging Scales
- Focus Blast
- Flash Cannon
- Flamethrower

Abomasnow @ Abomasite
Ability: Soundproof
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Leech Seed
- Wood Hammer
- Ice Shard
- Earthquake

Clefable @ Leftovers
Ability: Magic Guard
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Moonblast
- Soft-Boiled
- Stealth Rock
- Knock Off

Reuniclus @ Leftovers
Ability: Overcoat
EVs: 252 HP / 212 Def / 44 Spe
Bold Nature
IVs: 0 Atk
- Calm Mind
- Psyshock
- Shadow Ball
- Recover

Mandibuzz (F) @ Leftovers
Ability: Overcoat
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Defog
- Roost
- Foul Play
- Brave Bird