Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Pressure  
EVs: 40 Def / 216 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Psystrike  
- Ice Beam  
- Fire Blast  

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

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

Toxapex @ Shuca Berry  
Ability: Regenerator  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Toxic Spikes  
- Haze  
- Recover  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 244 HP / 76 Def / 136 SpA / 52 SpD  
Modest Nature  
IVs: 0 Atk  
- Defog  
- Hex  
- Dragon Pulse  
- Will-O-Wisp  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 SpA / 104 SpD / 152 Spe  
Mild Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Rock Tomb