Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Stealth Rock  
- Taunt  
- Skill Swap  
- Spikes  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 Atk / 100 SpD / 156 Spe  
Adamant Nature  
- Rock Polish  
- Swords Dance  
- Precipice Blades  
- Stone Edge  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 168 Def / 252 SpA / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Focus Blast  

Arceus @ Chople Berry  
Ability: Multitype  
EVs: 240 HP / 252 Atk / 16 Spe  
Adamant Nature  
- Swords Dance  
- Shadow Claw  
- Recover  
- Extreme Speed  

Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Sludge Wave  
- Focus Blast  
- Taunt  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 224 Atk / 32 Def / 252 Spe  
Jolly Nature  
- Stone Edge  
- Swords Dance  
- Earthquake  
- Photon Geyser