Rate My Team

[iAmDanX]

Well I'm new to the whole competitive battling scene so I have made a team that I plan to get. Could anyone give me some advice as to what changes I should make before I start training to get this team?

Omastar @ Lum Berry
Bold
Speed 252 / Special Defence 125 / Special Attack 125
- Spikes
- Stealth Rock
- Surf
- Rest

Umbreon @ Leftovers
Bold
Defence 170 / Sp. Defence 170 / Speed 170
- Toxic
- Confuse Ray
- Moonlight
- Protect

Pinsir @ Life Orb
Jolly
4 HP / 252 Attack / 252 Speed
- X-Scissor
- Earthquake
- Stone Edge
- Sword Dance

Sceptile @ Life Orb
Modest
76 Hp / 252 Special Attack / 180 Speed
- Leaf Storm
- Dragon Pulse
- Substitute
- Synthesis

Arcanine @ Life Orb
Admant
120 Hp / 152 Attack / 236 Speed
- Flare Blitz
- Morning Sun
- Exreme Speed
- Toxic

Claydol @ Leftovers
Bold
252 Hp / 144 Defence / 112 Special Attack
- Rapid Spin
- Stealth Rock
- Earth Power
- Ice Beam

 

[PlatinumDude]

Omastar: It's a lead, so change the nature to Timid and max out its Special Attack. Replace Rest with Earth Power or Hidden Power (Grass).

Umbreon: It's better off Baton Passing Mean Look:
-Mean Look
-Baton Pass
-Wish
-Yawn/Taunt/Protect
Nature: Careful
EVs: 252 HP/128 SDef/128 Spe
Item: Leftovers

Pinsir: Looks good

Sceptile: Replace Substitute with Hidden Power Ice or Focus Blast.

Arcanine: Looks good

Claydol: Looks good