Xerneas @ Fairium Z  
Ability: Fairy Aura  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Geomancy  
- Ingrain  
- Rest  

Ho-Oh @ Leftovers  
Ability: Regenerator  
EVs: 248 HP / 204 Def / 52 SpD / 4 Spe  
Impish Nature  
- Sacred Fire  
- Recover  
- Toxic  
- Brave Bird  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 248 HP / 64 Def / 196 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Defog  
- Recover  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 44 Atk / 116 Def / 8 SpD / 88 Spe  
Impish Nature  
- Earthquake  
- Rock Tomb  
- Roar  
- Stealth Rock  

Venusaur-Mega @ Venusaurite  
Ability: Chlorophyll  
EVs: 252 HP / 88 Def / 168 SpD  
Calm Nature  
IVs: 0 Atk  
- Grass Knot  
- Toxic  
- Leech Seed  
- Synthesis  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Dark Pulse  
- Oblivion Wing  
- U-turn  
- Foul Play