Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 184 HP / 252 SpA / 72 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Hidden Power [Fire]  
- Thunder  

Venusaur-Mega @ Venusaurite  
Ability: Overgrow  
EVs: 252 HP / 112 Def / 144 SpD  
Bold Nature  
IVs: 0 Atk  
- Giga Drain  
- Leech Seed  
- Hidden Power [Fire]  
- Toxic  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 8 Atk / 252 SpD  
Careful Nature  
- Stealth Rock  
- Precipice Blades  
- Stone Edge  
- Roar  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Judgment  
- Defog  
- Recover  

Zygarde-Complete @ Leftovers  
Ability: Power Construct  
EVs: 240 HP / 252 Def / 16 SpA  
Relaxed Nature  
- Core Enforcer  
- Substitute  
- Thousand Arrows  
- Toxic  

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