Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 176 HP / 192 Atk / 24 SpD / 116 Spe  
Jolly Nature  
- Behemoth Blade  
- Close Combat  
- Wild Charge  
- Assurance  

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Dragon Ascent  
- V-create  
- Extreme Speed  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 88 Def / 160 SpD / 8 Spe  
Impish Nature  
- Stealth Rock  
- Precipice Blades  
- Toxic  
- Dragon Tail  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 132 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Recover  
- Whirlpool  
- Perish Song  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 248 HP / 144 Def / 20 SpD / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Defog  
- Toxic  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sunsteel Strike  
- Stone Edge  
- Dragon Dance  
- Morning Sun