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

Greninja-Ash @ Choice Specs  
Ability: Battle Bond  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Grass Knot  
- Dark Pulse  
- Hydro Pump  
- Water Shuriken  

Groudon @ Red Orb  
Ability: Drought  
EVs: 160 Atk / 152 SpD / 196 Spe  
Jolly Nature  
- Stealth Rock  
- Swords Dance  
- Fire Punch  
- Precipice Blades  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Heart Swap  
- Pain Split  
- Flash Cannon  
- Fleur Cannon  

Arceus-Flying @ Sky Plate  
Ability: Multitype  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Refresh  
- Recover  
- Judgment  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 252 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Toxic  
- Hex  
- Draco Meteor  
- Defog