Shuckle @ Mental Herb  
Ability: Sturdy  
Tera Type: Ghost  
EVs: 248 HP / 8 Atk / 252 SpD  
Careful Nature  
- Sticky Web  
- Toxic  
- Bulldoze  
- Final Gambit  

Rayquaza @ Life Orb  
Ability: Air Lock  
Tera Type: Flying  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Dragon Ascent  
- Extreme Speed  
- V-create  

Groudon-Primal @ Red Orb  
Ability: Drought  
Tera Type: Ground  
EVs: 156 Atk / 100 SpD / 252 Spe  
Adamant Nature  
- Rock Polish  
- Swords Dance  
- Precipice Blades  
- Stone Edge  

Kyogre-Primal @ Blue Orb  
Ability: Drizzle  
Tera Type: Water  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Origin Pulse  
- Ice Beam  
- Water Spout  
- Calm Mind  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Pressure  
Tera Type: Psychic  
EVs: 88 Def / 204 SpA / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Psystrike  
- Ice Beam  
- Focus Blast  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Tera Type: Electric  
EVs: 168 Def / 252 SpA / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Hidden Power [Ground]