Yveltal @ Charti Berry  
Ability: Dark Aura  
EVs: 248 HP / 180 Def / 80 Spe  
Impish Nature  
IVs: 0 Atk  
- Foul Play  
- Roost  
- Taunt  
- Toxic  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Volt Switch  
- Heart Swap  
- Heal Bell  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 160 Def / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic  
- Ice Beam  
- Defog  
- Recover  

Groudon @ Red Orb  
Ability: Drought  
EVs: 144 HP / 144 Atk / 56 SpD / 164 Spe  
Adamant Nature  
- Stealth Rock  
- Swords Dance  
- Precipice Blades  
- Rock Tomb  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 248 SpA / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Heat Wave  
- Photon Geyser  
- Dragon Pulse  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Pressure  
EVs: 64 Def / 252 SpA / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Psystrike  
- Fire Blast  
- Ice Beam  
- Calm Mind