Nihilego @ Power Herb  
Ability: Beast Boost  
EVs: 176 SpA / 80 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Sludge Wave  
- Grass Knot  
- Power Gem  

Melmetal >:/ (Magnezone) @ Chople Berry  
Ability: Magnet Pull  
EVs: 156 HP / 252 Def / 100 Spe  
Bold Nature  
IVs: 0 Atk  
- Iron Defense  
- Body Press  
- Thunderbolt  
- Magnet Rise  

Tyranitar @ Leftovers  
Ability: Sand Stream  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Stealth Rock  
- Rock Blast  
- Earthquake  
- Toxic  

Tapu Fini @ Leftovers  
Ability: Misty Surge  
EVs: 252 HP / 216 Def / 40 SpD  
Calm Nature  
- Whirlpool  
- Moonblast  
- Nature's Madness  
- Taunt  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 80 Def / 176 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- Taunt  
- Defog  

Mamoswine @ Choice Band  
Ability: Thick Fat  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Icicle Crash  
- Earthquake  
- Ice Shard  
- Knock Off