Gen 7 team

Decidueye
Ability: Overgrow
EVs: 248 HP / 8 Atk / 252 SpD
Careful Nature
- Spirit Shackle
- Leaf Blade
- Roost
- U-turn

Metagross-Mega @ Metagrossite
Ability: Tough Claws
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Earthquake
- Meteor Mash
- Zen Headbutt
- Thunder Punch

Golisopod @ Assault Vest
Ability: Emergency Exit
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- First Impression
- Leech Life
- Liquidation
- Sucker Punch

Salazzle @ Focus Sash
Ability: Corrosion
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Nasty Plot
- Sludge Wave
- Dragon Pulse
- Flamethrower

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Potential team mates

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Jolteon @ Electrium Z
Ability: Volt Absorb
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunder
- Signal Beam
- Thunderbolt
- Shadow Ball

Clefable @ Life Orb
Ability: Magic Guard
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Moonblast
- Moonlight
- Psyshock
- Ice Beam