Diancie @ Diancite  
Ability: Clear Body  
Tera Type: Rock  
EVs: 24 Atk / 232 SpA / 252 Spe  
Naive Nature  
- Moonblast  
- Diamond Storm  
- Earth Power  
- Stealth Rock  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Tera Type: Steel  
EVs: 72 Def / 252 SpA / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Geomancy  
- Moonblast  
- Hidden Power [Ground]  

Koraidon @ Choice Scarf  
Ability: Orichalcum Pulse  
Tera Type: Fire  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Low Kick  
- Dragon Claw  
- U-turn  
- Flare Blitz  

Flutter Mane @ Ghostium Z  
Ability: Protosynthesis  
Tera Type: Fairy  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Taunt  
- Shadow Ball  
- Moonblast  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Swords Dance  
- Rock Polish  
- Heat Crash  
- Earthquake  

Chi-Yu @ Life Orb  
Ability: Beads of Ruin  
Tera Type: Fire  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Flamethrower  
- Dark Pulse  
- Nasty Plot