Deoxys-Speed @ Light Clay  
Ability: Pressure  
EVs: 248 HP / 86 Def / 154 SpD / 20 Spe  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Taunt  
- Light Screen  
- Reflect  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 108 Def / 252 SpA / 148 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Psyshock  

Rayquaza-Mega @ Choice Scarf  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Dragon Ascent  
- V-create  
- Draco Meteor  
- Defog  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 36 Atk / 252 SpA / 220 Spe  
Mild Nature  
- Rock Polish  
- Dragon Pulse  
- Precipice Blades  
- Fire Blast  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Photon Geyser  
- Stone Edge  
- Brick Break  

Arceus @ Leftovers  
Ability: Multitype  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Substitute  
- Swords Dance  
- Extreme Speed  
- Shadow Claw