Diancie-Mega @ Diancite  
Ability: Clear Body  
Tera Type: Rock  
EVs: 108 HP / 184 SpA / 216 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Earth Power  
- Spikes  

Rayquaza @ Life Orb  
Ability: Air Lock  
Tera Type: Flying  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Dragon Ascent  
- Earthquake  
- Extreme Speed  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 252 SpA / 96 SpD / 160 Spe  
Mild Nature  
- Stealth Rock  
- Rock Tomb  
- Precipice Blades  
- Overheat  

Necrozma-Ultra @ Ultranecrozium Z  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Calm Mind  
- Photon Geyser  
- Dragon Pulse  
- Power Gem  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
Tera Type: Ground  
EVs: 80 HP / 252 Atk / 52 Def / 124 Spe  
Adamant Nature  
- Dragon Dance  
- Taunt  
- Earthquake  
- Stone Edge  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
Tera Type: Fighting  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Play Rough  
- Close Combat  
- Wild Charge