Magearna @ Normalium Z  
Ability: Soul-Heart  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Trick Room  
- Heal Bell  
- Heart Swap  
- Fleur Cannon  

Stakataka @ Rockium Z  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Lonely Nature  
IVs: 15 Def / 0 Spe  
- Trick Room  
- Gyro Ball  
- Stone Edge  
- Earthquake  

Gothitelle @ Choice Specs  
Ability: Shadow Tag  
EVs: 248 HP / 252 SpA / 8 SpD  
Modest Nature  
IVs: 0 Atk / 0 Spe  
- Shadow Ball  
- Thunderbolt  
- Psyshock  
- Hidden Power [Ice]  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 64 Def / 196 SpD  
Sassy Nature  
IVs: 0 Spe  
- Stealth Rock  
- Precipice Blades  
- Lava Plume  
- Toxic  

Arceus-Dragon @ Draco Plate  
Ability: Multitype  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Trick Room  
- Judgment  
- Defog  
- Recover  

Necrozma-Dusk-Mane @ Life Orb  
Ability: Prism Armor  
EVs: 252 HP / 252 Atk / 4 SpA  
Brave Nature  
- Swords Dance  
- Sunsteel Strike  
- Stone Edge  
- Photon Geyser