Smeargle @ Focus Sash  
Ability: Technician  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Spore  
- Sticky Web  
- Stealth Rock  
- Extreme Speed  

Naganadel @ Dragonium Z  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Draco Meteor  
- Fire Blast  
- Sludge Wave  

Groudon @ Red Orb  
Ability: Drought  
EVs: 252 SpA / 100 SpD / 156 Spe  
Mild Nature  
- Rock Polish  
- Precipice Blades  
- Fire Blast  
- Hidden Power [Ice]  

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

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 36 HP / 252 Atk / 220 Spe  
Jolly Nature  
- Autotomize  
- Earthquake  
- Stone Edge  
- Photon Geyser  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 172 HP / 40 Def / 252 SpA / 44 Spe  
Timid Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Hidden Power [Ground]  
- Focus Blast