Tapu Koko @ Terrain Extender  
Ability: Electric Surge  
EVs: 140 Atk / 116 SpD / 252 Spe  
Jolly Nature  
- U-turn  
- Nature's Madness  
- Wild Charge  
- Taunt  

Arceus-Electric @ Electrium Z  
Ability: Multitype  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Thunderbolt  
- Earth Power  
- Ice Beam  

Latias-Mega @ Latiasite  
Ability: Levitate  
EVs: 248 HP / 44 Def / 40 SpA / 176 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Defog  
- Healing Wish  
- Recover  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Sunsteel Strike  
- Stealth Rock  
- Toxic  
- Morning Sun  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 236 Atk / 112 SpD / 160 Spe  
Adamant Nature  
- Swords Dance  
- Rock Polish  
- Precipice Blades  
- Stone Edge  

Yveltal @ Leftovers  
Ability: Dark Aura  
EVs: 248 HP / 176 Def / 84 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Toxic  
- Roost  
- Taunt