Groudon @ Red Card  
Ability: Drought  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Precipice Blades  
- Dragon Tail  
- Thunder Wave  
- Stealth Rock  

Zygarde-Complete @ Leftovers  
Ability: Power Construct  
EVs: 48 HP / 208 Atk / 252 Spe  
Adamant Nature  
- Thousand Arrows  
- Glare  
- Substitute  
- Dragon Dance  

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 @ Solganium Z  
Ability: Prism Armor  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Sunsteel Strike  
- Earthquake  
- Rock Polish  
- Swords Dance  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 68 HP / 252 SpA / 188 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Psyshock  
- Focus Blast  
- Moonblast  

Ho-Oh @ Life Orb  
Ability: Regenerator  
EVs: 8 HP / 252 Atk / 248 Spe  
Adamant Nature  
- Flame Charge  
- Brave Bird  
- Sacred Fire  
- Recover