Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Swords Dance  
- Photon Geyser  
- Sunsteel Strike  
- Earthquake  

Lucario-Mega @ Lucarionite  
Ability: Justified  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Meteor Mash  
- Bullet Punch  
- Swords Dance  
- Close Combat  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 72 HP / 252 SpA / 100 SpD / 84 Spe  
Modest Nature  
- Geomancy  
- Moonblast  
- Thunder  
- Focus Blast  

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

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 252 HP / 24 SpD / 232 Spe  
Calm Nature  
IVs: 0 Atk  
- Judgment  
- Toxic  
- Defog  
- Recover  

Deoxys-Defense @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 96 Def / 160 SpD  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Toxic  
- Seismic Toss  
- Recover