Kyogre-Primal @ Choice Specs  
Ability: Primordial Sea  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Ice Beam  
- Water Spout  
- Surf  
- Thunder  

Venusaur-Mega @ Leftovers  
Ability: Thick Fat  
Tera Type: Electric  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Leech Seed  
- Protect  
- Substitute  
- Toxic  

Groudon-Primal @ Leftovers  
Ability: Desolate Land  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Precipice Blades  
- Heat Crash  
- Stealth Rock  
- Stone Edge  

Rayquaza-Mega @ Heavy-Duty Boots  
Ability: Delta Stream  
Tera Type: Normal  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Dragon Ascent  
- Earthquake  

Arceus @ Silk Scarf  
Ability: Multitype  
Tera Type: Normal  
EVs: 252 HP / 252 Atk / 4 SpA  
Lonely Nature  
- Swords Dance  
- Extreme Speed  
- Tera Blast  
- Shadow Claw  

Blastoise-Mega @ Focus Sash  
Ability: Mega Launcher  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shell Smash  
- Water Pulse  
- Dark Pulse  
- Aura Sphere