Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 224 HP / 32 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Stealth Rock  
- Endeavor  
- Substitute  

Kartana @ Life Orb  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Knock Off  
- Smart Strike  
- Swords Dance  

Gyarados @ Flyinium Z  
Ability: Moxie  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Waterfall  
- Bounce  
- Dragon Dance  
- Taunt  

Kommo-o @ Salac Berry  
Ability: Bulletproof  
EVs: 52 HP / 204 Atk / 252 Spe  
Jolly Nature  
- Belly Drum  
- Drain Punch  
- Thunder Punch  
- Substitute  

Magearna @ Shuca Berry  
Ability: Soul-Heart  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Flash Cannon  
- Thunderbolt  
- Focus Blast  
- Trick Room  

Victini @ Choice Scarf  
Ability: Victory Star  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- V-create  
- U-turn  
- Trick  
- Final Gambit