[RATE MY TEAM] Help with my new team

[cfencl]

Hi everyone

I want to make a new competitive team and I would like to hear any opinions or advice people have on it so I can make the team the best possible. Here it is:

1) Mega Venusaur 
Modest nature, holding venusaurite
Ability= chlorophyll
Giga drain
Sludge bomb
Leech seed
Synthesis

2) Vaporeon
Bold nature, holding leftovers
Ability= water absorb
Scald
Aqua ring
Ice beam
Toxic

3) Garchomp
Jolly nature, holding rocky helmet
Ability= rough skin
Dragon claw
Earthquake
Rock slide
Iron tail

4) Manectric
Timid nature, holding electrium z
Ability= lightning rod
Thunderbolt
Volt switch
Protect
Roar

5) Togekiss
Timid nature, holding leftovers
Ability= serence grace
Dazzling Gleam
Psychic
Baton pass
Wish

6) Arcanine
Adamant nature, holding quick claw
Ability= Intimidate
Flare blitz
Roar
Extreme speed
Close combat