Blastoise-Mega @ White Herb  
Ability: Mega Launcher  
Tera Type: Ghost  
EVs: 12 HP / 252 SpA / 244 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Water Pulse  
- Aura Sphere  
- Ice Beam  

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
Tera Type: Ghost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Dragon Ascent  
- Extreme Speed  
- Earthquake  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Dark  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Judgment  
- Taunt  
- Recover  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
Tera Type: Ground  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Swords Dance  
- Iron Head  
- Play Rough  
- Tera Blast  

Koraidon @ Choice Band  
Ability: Orichalcum Pulse  
Tera Type: Fire  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dual Wingbeat  
- Flare Blitz  
- Collision Course  
- Outrage  

Diancie-Mega @ Focus Sash  
Ability: Magic Bounce  
Tera Type: Ghost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Endeavor  
- Moonblast  
- Earth Power