Mewtwo-Mega-X @ Mewtwonite X  
Ability: Pressure  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Taunt  
- Low Kick  
- Zen Headbutt  
- Stone Edge  

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

Ho-Oh @ Flyinium Z  
Ability: Regenerator  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Sacred Fire  
- Brave Bird  
- Recover  
- Toxic  

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

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 232 Def / 252 SpA / 24 Spe  
Modest Nature  
IVs: 0 Atk  
- Defog  
- Hex  
- Draco Meteor  
- Will-O-Wisp  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Ice Beam  
- Stealth Rock