Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 248 HP / 252 SpA / 8 SpD  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Focus Blast  
- Thunder Wave  

Kangaskhan-Mega (F) @ Kangaskhanite  
Ability: Scrappy  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Fake Out  
- Sucker Punch  
- Return  
- Power-Up Punch  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
- Stealth Rock  
- Precipice Blades  
- Lava Plume  
- Roar  

Klefki @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Light Screen  
- Thunder Wave  
- Reflect  
- Foul Play  

Latios (M) @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Draco Meteor  
- Psyshock  
- Thunder  

Rotom-Wash @ Leftovers  
Ability: Levitate  
EVs: 252 HP / 248 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Hydro Pump  
- Volt Switch  
- Will-O-Wisp  
- Pain Split