Rayquaza-Mega @ Choice Scarf  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Dragon Ascent  
- V-create  
- Draco Meteor  
- Toxic 
Zygarde-Complete @ Leftovers  
Ability: Power Construct  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Thousand Arrows  
- Dragon Tail  
- Rest  
- Haze  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Bullet Seed  
- Toxic  
- Leech Seed  
- Spikes  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Recover  
- Will-O-Wisp  

Arceus-Poison @ Poisonium Z  
Ability: Multitype  
EVs: 252 HP / 36 Def / 124 SpD / 96 Spe  
Jolly Nature  
- Poison Jab  
- Whirlpool  
- Recover  
- Perish Song  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 240 HP / 252 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Toxic  
- Recover  
- Stealth Rock