Where is my team going wrong.

[Peanutassailant]

(excluded natures and EV's), i would like to know how to improve my team, whats good and whats not so good... moveset wize

Umbreon

substitute
taunt
batton pass
mean look

weezing

haze
pain split
sludge bomb
will-o-wisp

uxie

rest
calm mind
physcic
yawn

Metagross

Rest
Substitute
Meteor mash
double team (<- wants replacing with something else)

ursaring

rest
brick break
thrash
bulk up

Snorlax

rest
sleep talk
earthquake
block