Magearna @ Shuca Berry  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpA  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Dazzling Gleam  
- Flash Cannon  
- Hidden Power [Water]  
- Trick Room  

Lunala @ Lunalium Z  
Ability: Shadow Shield  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moongeist Beam  
- Protect  
- Wide Guard  
- Psyshock  

Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 252 HP / 4 Def / 252 SpA  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Water Spout  
- Scald  
- Ice Beam  
- Thunder  

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Dragon Ascent  
- V-create  
- Waterfall  
- Protect  

Amoonguss (M) @ Focus Sash  
Ability: Effect Spore  
EVs: 252 HP / 112 Def / 144 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Spore  
- Protect  
- Rage Powder  
- Grass Knot  

Arceus @ Figy Berry  
Ability: Multitype  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
IVs: 0 Spe  
- Extreme Speed  
- Swords Dance  
- Shadow Claw  
- Trick Room