Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Skill Swap  
- Stealth Rock  
- Spikes  
- Taunt  

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- V-create  
- Extreme Speed  
- Dragon Dance  

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

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

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 144 HP / 24 Def / 252 SpA / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Focus Blast  
- Thunder  
- Geomancy  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Dark Pulse  
- Oblivion Wing  
- Sucker Punch  
- Taunt