Yveltal @ Leftovers  
Ability: Dark Aura  
EVs: 248 HP / 12 Def / 248 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic  
- Taunt  
- Roost  
- Foul Play  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 56 Def / 200 SpD / 4 Spe  
Impish Nature  
- Precipice Blades  
- Toxic  
- Dragon Tail  
- Stealth Rock  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 64 HP / 144 Def / 252 SpA / 48 Spe  
Modest Nature  
IVs: 0 Atk  
- Hex  
- Draco Meteor  
- Will-O-Wisp  
- Defog  

Necrozma-Dusk-Mane @ Solganium Z  
Ability: Prism Armor  
EVs: 248 HP / 44 Atk / 216 SpD  
Careful Nature  
- Toxic  
- Sunsteel Strike  
- Morning Sun  
- Stealth Rock  

Xerneas @ Choice Scarf  
Ability: Fairy Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Endeavor  
- Aromatherapy  
- Defog  

Rayquaza-Mega @ Choice Scarf  
Ability: Air Lock  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naughty Nature  
- V-create  
- Draco Meteor  
- Dragon Ascent  
- Extreme Speed