Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Photon Geyser  
- Earthquake  
- Sunsteel Strike  
- Swords Dance  

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

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 252 Def / 252 SpA / 4 SpD  
Modest Nature  
- Hex  
- Draco Meteor  
- Will-O-Wisp  
- Defog  

Groudon @ Red Orb  
Ability: Drought  
EVs: 152 HP / 236 Atk / 44 SpD / 76 Spe  
Adamant Nature  
- Stealth Rock  
- Precipice Blades  
- Fire Punch  
- Stone Edge  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
- Fleur Cannon  
- Volt Switch  
- Heart Swap  
- Pain Split  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 240 Def / 16 Spe  
Bold Nature  
- Will-O-Wisp  
- Ice Beam  
- Recover  
- Toxic