Deoxys-Speed @ Focus Sash  
Ability: Pressure  
Tera Type: Ghost  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Magic Coat  
- Taunt  
- Psycho Boost  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Tera Type: Electric  
EVs: 48 HP / 120 Def / 252 SpA / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Thunderbolt  
- Substitute  
- Geomancy  

Arceus @ Silk Scarf  
Ability: Multitype  
Tera Type: Normal  
EVs: 200 HP / 252 Atk / 56 Spe  
Adamant Nature  
- Shadow Claw  
- Dragon Dance  
- Taunt  
- Extreme Speed  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 252 Atk / 96 SpD / 160 Spe  
Adamant Nature  
- Rock Polish  
- Swords Dance  
- Heat Crash  
- Precipice Blades  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 252 Atk / 32 Def / 224 Spe  
Jolly Nature  
- Stone Edge  
- Dragon Dance  
- Earthquake  
- Photon Geyser  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Pressure  
Tera Type: Psychic  
EVs: 40 Def / 252 SpA / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Aura Sphere  
- Nasty Plot  
- Psystrike