Kommo-o @ Choice Band  
Ability: Bulletproof  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Close Combat  
- Ice Punch  
- Poison Jab  
- Earthquake  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 8 Atk / 248 SpA / 252 Spe  
Hasty Nature  
- Protect  
- Stealth Rock  
- Moonblast  
- Diamond Storm  

Greninja-Ash (M) @ Choice Specs  
Ability: Battle Bond  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Dark Pulse  
- Hydro Pump  
- Spikes  
- Water Shuriken  

Tornadus-Therian (M) @ Rocky Helmet  
Ability: Regenerator  
EVs: 240 HP / 60 Def / 208 Spe  
Timid Nature  
- Hurricane  
- Taunt  
- Defog  
- U-turn  

Gastrodon @ Leftovers  
Ability: Storm Drain  
EVs: 248 HP / 4 Def / 252 SpD / 4 Spe  
Sassy Nature  
- Earthquake  
- Recover  
- Scald  
- Yawn  

Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 248 HP / 28 Def / 212 SpA / 8 SpD / 12 Spe  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Pain Split  
- Fleur Cannon  
- Thunderbolt