Necrozma-Dusk-Mane @ Choice Scarf  
Ability: Prism Armor  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Sunsteel Strike  
- Photon Geyser  
- Earthquake  
- Stone Edge  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Whirlpool  
- Perish Song  
- Judgment  
- Recover  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Shadow Sneak  
- Close Combat  
- Bulk Up  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 252 HP / 4 SpA / 252 Spe  
Serious Nature  
IVs: 0 Atk  
- Ice Beam  
- Judgment  
- Defog  
- Recover  

Rayquaza-Mega @ Choice Band  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- V-create  
- Extreme Speed  
- Waterfall  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 128 Atk / 128 Def  
Impish Nature  
- Stealth Rock  
- Precipice Blades  
- Fire Punch  
- Dragon Tail