Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Hidden Power [Fire]  
- Moonblast  
- Diamond Storm  
- Earth Power  

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

Rotom-Wash @ Wiki Berry  
Ability: Levitate  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Volt Switch  
- Hydro Pump  
- Will-O-Wisp  
- Defog  

Landorus-Therian (M) @ Flyinium Z  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Swords Dance  
- Earthquake  
- Fly  

Serperior @ Rocky Helmet  
Ability: Contrary  
EVs: 208 HP / 48 Def / 252 Spe  
Timid Nature  
- Leaf Storm  
- Knock Off  
- Glare  
- Defog  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 248 HP / 72 Def / 188 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Fleur Cannon  
- Ice Beam  
- Hidden Power [Fire]  
- Volt Switch