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

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

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 252 HP / 208 Def / 48 Spe  
Impish Nature  
- Rest  
- Thousand Arrows  
- Glare  
- Coil  

Yveltal @ Metronome  
Ability: Dark Aura  
EVs: 252 SpA / 252 Spe  
Hasty Nature  
- Dark Pulse  
- Oblivion Wing  
- Rock Slide  
- Heat Wave  

Arceus-Grass @ Grassium Z  
Ability: Multitype  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Defog  
- Thunder Wave  
- Grass Knot  
- Recover  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 236 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Refresh  
- Judgment  
- Recover