Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Sacred Sword  
- Behemoth Blade  
- Play Rough  
- Crunch  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic  
- Flamethrower  
- Cosmic Power  
- Recover  

Marshadow @ Focus Sash  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Shadow Sneak  
- Close Combat  
- Spectral Thief  
- Ice Punch  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 220 HP / 252 Atk / 36 Spe  
Adamant Nature  
- Stealth Rock  
- Earthquake  
- Rock Polish  
- Stone Edge  

Kyogre @ Choice Scarf  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Thunder  
- Ice Beam  
- Signal Beam  

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Stone Edge  
- Extreme Speed  
- Dragon Ascent