Replace Scizor's moves:
Bullet Punch
Bug Bite
U-Turn
Aerial Ace
Ability: Technician
Item: Life Orb/Choice Band

Replace Vaporeon with Cloyster
Shell Smash
Icicle Shard
Rock Blast
Razor Shell
Item: White Herb
Ability: Skill Link

Replace Dragonite with Volcorona

Item:Leftovers
Ability: Flame Body
EVs: 204 Def / 252 HP / 52 Spd
Bold Nature
Bug Buzz
Fiery Dance
Quiver Dance
Roost

Replace Empoleon with Forretress
Item: Leftovers
Ability: Sturdy
EVs: 252 Def / 252 HP / 4 Atk
Impish Nature
Rapid Spin
Spikes
Stealth Rock
Earthquake

Snorlax
Item:Leftovers
Ability Thick Fat
EVs: 252 SDef / 252 HP / 4 Atk
Careful Nature
Rest
Sleep Talk
Body Slam
Whirlwind

Salamence
Items: Choice Scarf
Ability: Moxie
EVs: / 252 Atk / 4 Spa / 252 Spe
Jolly Nature
Outrage
Dragon Claw
Earthquake
Roost/Giga Drain/Hidden Power Ground