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

Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Roar  
- Substitute  
- Origin Pulse  
- Ice Beam

Zygarde-Complete @ Leftovers  
Ability: Power Construct  
EVs: 252 HP / 252 Def / 4 Spe  
Impish Nature  
- Glare  
- Rest  
- Sleep Talk  
- Dragon Tail

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 224 SpD / 32 Spe  
Careful Nature  
- Thunder Wave  
- Stealth Rock  
- Moonlight  
- Sunsteel Strike

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Shadow Sneak  
- Close Combat  
- Rock Tomb

Xerneas @ Choice Scarf  
Ability: Fairy Aura  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Thunder Wave  
- Defog  
- Aromatherapy