Marshadow @ Marshadium Z  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Shadow Sneak  
- Close Combat  
- Spectral Thief  
- Bulk Up  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 172 Def / 84 SpD  
Impish Nature  
- Stealth Rock  
- Precipice Blades  
- Fire Punch  
- Toxic  

Power Dad (Zygarde-Complete) @ Chesto Berry  
Ability: Power Construct  
Shiny: Yes  
EVs: 232 HP / 76 Atk / 200 SpD  
Adamant Nature  
- Extreme Speed  
- Thousand Arrows  
- Coil  
- Rest  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Heart Swap  
- Heal Bell  
- Fleur Cannon  
- Volt Switch  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Oblivion Wing  
- Dark Pulse  
- Foul Play  
- U-turn  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 132 SpA / 124 Spe  
IVs: 0 Atk  
- Ice Beam  
- Toxic  
- Defog  
- Recover