Zygarde-Complete @ Leftovers  
Ability: Power Construct  
EVs: 24 HP / 252 Atk / 232 Spe  
Adamant Nature  
- Toxic  
- Substitute  
- Thousand Arrows  
- Dragon Dance  

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

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

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 244 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Defog  
- Recover  
- Ice Beam  

Arceus-Poison @ Poisonium Z  
Ability: Multitype  
EVs: 248 HP / 8 Def / 156 SpD / 96 Spe  
Jolly Nature  
- Poison Jab  
- Recover  
- Perish Song  
- Will-O-Wisp  

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