Blacephalon @ Choice Band  
Ability: Beast Boost  
EVs: 16 HP / 252 Atk / 240 Spe  
Jolly Nature  
- V-create  
- Explosion  
- Knock Off  
- Shadow Claw  

Kyurem-Black @ Choice Band  
Ability: Teravolt  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Icicle Crash  
- Dragon Claw  
- Fusion Bolt  
- Iron Head  

Ferrothorn @ Rocky Helmet  
Ability: Iron Barbs  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
IVs: 0 Spe  
- Spikes  
- Strength Sap  
- Gyro Ball  
- Power Whip  

Diancie-Mega @ Diancite  
Ability: Clear Body  
EVs: 252 HP / 40 Def / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Stealth Rock  
- Power Gem  
- Moonblast  

Tornadus-Therian @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Hurricane  
- Roost  
- U-turn  
- Defog  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Volt Switch  
- Fleur Cannon  
- Heart Swap  
- Heal Bell