Victini @ Choice Band  
Ability: Victory Star  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- V-create  
- Bolt Strike  
- U-turn  
- Trick  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Protect  
- Moonblast  
- Heal Bell  
- Earth Power  

Naviathan @ Leftovers  
Ability: Heatproof  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
- Calm Mind  
- Slack Off  
- Scald  
- Taunt  

Excadrill @ Leftovers  
Ability: Mold Breaker  
EVs: 36 HP / 8 Atk / 52 Def / 160 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Iron Head  
- Rapid Spin  

Tornadus-Therian (M) @ Assault Vest  
Ability: Regenerator  
EVs: 248 HP / 60 Def / 200 Spe  
Timid Nature  
- Hurricane  
- Heat Wave  
- Knock Off  
- U-turn  

Amoonguss @ Black Sludge  
Ability: Regenerator  
EVs: 240 HP / 212 Def / 56 SpD  
Calm Nature  
IVs: 0 Atk  
- Spore  
- Sludge Bomb  
- Giga Drain  
- Stun Spore