Mega Metagross HO

Magearna @ Electrium Z
Ability: Soul-Heart
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Shift Gear
- Flash Cannon
- Thunderbolt
- Aura Sphere

Greninja @ Life Orb
Ability: Protean
EVs: 252 Atk / 4 SpA / 252 Spe
Naive Nature
- Spikes
- Gunk Shot
- Ice Beam
- Dark Pulse

Metagross-Mega @ Metagrossite
Ability: Tough Claws
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Meteor Mash
- Zen Headbutt
- Hammer Arm
- Bullet Punch

Tapu Lele @ Shed Shell
Ability: Psychic Surge
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Taunt
- Psyshock
- Moonblast
- Hidden Power [Fire]

Keldeo @ Choice Scarf
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Stone Edge
- Hydro Pump
- Hidden Power [Ice]
- Secret Sword

Excadrill @ Focus Sash
Ability: Mold Breaker
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Toxic
- Stealth Rock
- Rapid Spin
- Earthquake