Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Shadow Ball  
- Destiny Bond  
- Encore  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sunsteel Strike  
- Thunder Wave  
- Stealth Rock  
- Morning Sun  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 248 HP / 48 Def / 192 SpD / 20 Spe  
Calm Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Perish Song  
- Defog  

Regieleki @ Life Orb  
Ability: Transistor  
EVs: 36 Atk / 252 SpA / 220 Spe  
Rash Nature  
- Volt Switch  
- Thunderbolt  
- Assurance  
- Hyper Beam  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Eruption  
- Hidden Power [Ice]  
- Precipice Blades  
- Stone Edge  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 132 HP / 252 Atk / 124 Spe  
Jolly Nature  
- Swords Dance  
- Behemoth Blade  
- Close Combat  
- Wild Charge