Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Focus Blast  
Nickname: Lifebloom

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

Salamence-Mega @ Salamencite  
Ability: Aerilate  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Double-Edge  
- Earthquake  
- Roost  
Nickname: DracoFlare

Excadrill @ Leftovers  
Ability: Mold Breaker  
EVs: 252 HP / 252 Atk / 4 Def  
Adamant Nature  
- Rapid Spin  
- Iron Head  
- Earthquake  
- Toxic  
Nickname: TunnelKing

Klefki @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Reflect  
- Light Screen  
- Thunder Wave  
- Foul Play  
Nickname: PrismKey

Talonflame @ Choice Band  
Ability: Gale Wings  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Brave Bird  
- Flare Blitz  
- U-turn  
- Roost  
Nickname: Vigilance