RP Mega Gross + Smash Turtonator

Metagross-Mega @ Metagrossite
Ability: Tough Claws
EVs: 72 HP / 252 Atk / 4 Def / 180 Spe
Adamant Nature
- Rock Polish
- Zen Headbutt
- Hammer Arm
- Meteor Mash

Zygarde-10% @ Choice Band
Ability: Aura Break
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Thousand Arrows
- Outrage
- Sleep Talk
- Extreme Speed

Tapu Lele @ Choice Scarf
Ability: Psychic Surge
EVs: 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Psychic
- Moonblast
- Hidden Power [Fire]
- Shadow Ball

Nihilego @ Focus Sash
Ability: Beast Boost
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Power Gem
- Stealth Rock
- Toxic Spikes
- Sludge Wave

Magnezone @ Choice Specs
Ability: Magnet Pull
EVs: 128 HP / 252 SpA / 128 Spe
IVs: 0 Atk
- Volt Switch
- Thunderbolt
- Hidden Power [Fire]
- Flash Cannon

Turtonator @ Grassium Z
Ability: Shell Armor
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Fire Blast
- Draco Meteor
- Solar Beam
- Shell Smash