Well, for Metagross i'd recommend the following moves:
Protect
Explosion
Rock Climb
Meteor Mash
one idea, Meteor mash and Rock climb for normal attacks, protect for fire type enemies and explosion for a last resort.
dont believe me? read my signiture
Really? A-lright then, your Metagross is flawed.
For a Metagross, what is it you want it to be? Do you want it to be a tank? Sweeper? or just a hard hitter. You have to think of the role your pokemon will play in the team before picking and choosing. Seeing as you say you want it to be a tank, you should use this set up:
Metagross @Leftovers
Ability: Clear Body
EV's: 252 HP / 244 Def / 12 Speed
Impish Nature (+Def, -SpA)
-Meteor Mash
-Earthquake
-Light Screen
-Explosion
(Light Screen boosts your Special Defense, seeing as Metagross's Special Defense is overshadowed by your Defense. Meteor Mash and Earthquake utilizes Metagross's amazing attack stat to do as much damage as possible, and Explosion is a last chance tactic to take out something your worried he wont be able to handle himself.)
Or, if you want to suprise people, and/or replace your suicide lead go with a Trickgross:
Metagross @Choice Scarf
Ability: Clear Body
EV's: 252 Atk / 4 SpD / 252 Speed
-Trick
-Meteor Mash
-Explosion
-Stealth Rock
(Now the function of this Metagross is to be a lead. Use Trick on the first turn to switch your Choice scarf to the other leads, to incapacitate them (such as stealth rockers and such) and then set up your own Stealth Rock on the switch out, then you can follow with Meteor Mash, or an explosion or Meteor Mash)
As for the rest of your team, you want to build a Niche, what your team is doing. Do you want power, or strategy. By what youve Suggested i think this set up would do awesome:
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Azelf @Focus Sash
Naive Natured
Ability: Levitate
EV's: 4 Atk / 252 SpA / 252 Speed
-Stealth Rock
-Fire Blast
-Explosion
-Taunt
(This lead helps cover your overwhelming weakness to fire and fighting attacks. Its a normal Azelf lead. Send it out, Taunt to incapacitate the other leads, set up your Stealth Rock. Fire Blast covers common switch ins to Azelf, and Explosion is a final way out to do as much damage as possible. If it suits your style, you can switch Explosion out for U-Turn, for scouting.)
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Scizor @Leftovers
Adamant Natured
Ability: Technician
EV's: 248 HP / 88 Atk / 172 Speed
-Baton Pass
-Swords Dance
-Roost
-Bullet Punch/Iron Defense/Substitute
(Now, you wanted a Baton Pass Scizor right? Well this is the best set up. Its not common to pass Defensive boosts alone, so i modified this set alittle. Swords Dance is there to pass on either one or two attack boosts, Roost to take off damage if you want more boosts, Bullet Punch is a viable option, because if your Scizor gets taunted it will be completely useless and you would have to switch out, and with boosted attack and the technician ability, BP will do alot of damage, even resisted. If you want a pure baton passer, Iron Defense for Defensive boosts, or Sub to pass it on aswell.)
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Umbreon @Leftovers
Careful Natured
Ability: Synchronize
EV's: 252 HP / 92 SpD / 164 Speed
-Mean Look
-Baton Pass
-Wish
-Protect/Toxic
(Normal trap passer. Mean look to catch them in, wish to heal damage and baton pass to pass it along, possibly to your scizor so you can trap something there thats easy to set up on. Protect is there if you want to scout out moves, and Toxic is viable for extra damage.)
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Starmie @Choice Specs
Timid/Modest Natured
Ability: Natural Cure
EV's: 4 HP / 252 SpA / 252 Speed
-Surf/Hydro Pump
-Thunderbolt
-Ice Beam
-Trick/Psychic
(A Choice Specs sweeper. Surf or Hydro pump is up to you, accuracy or damage. Thunderbolt and Ice Beam are for coverage. Trick is viable if you want to incapacitate an counters like Blissey or Snorlax, but Psychic is there for more coverage. Another viable option for a Starmie in this team is a Rapid Spinner, which would be good to get rid of entry hazards.)
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Mamoswine @Life Orb
Adamant/Jolly Natured
Ability: Snow Cloak
EV's: 252 Atk / 4 Def / 252 Speed
-Earthquake
-Ice Shard
-Stone Edge
-Ice Fang/Superpower
(A Physical Mamoswine. Earthquake is a powerful STAB attack when coming from a Mamoswine and dents anything that doesnt resist it. Ice Shard is a good, as it will help Mamoswine pick off faster attackers, especially those pesky dragon types. Stone edge for coverage on those flying types that negate ice damage (Gyarados anyone?) and the last slot is your choice, Ice Fang for higher damage than Ice Shard, or Superpower for coverage (OHKOing the likes of Blissey and Snorlax, and seriously denting one of mamoswines most known counters, Bronzong)
*image removed*
Metagross @Leftovers
Ability: Clear Body
EV's: 252 HP / 244 Def / 12 Speed
Impish Nature (+Def, -SpA)
-Meteor Mash
-Earthquake
-Light Screen
-Explosion
(Light Screen boosts your Special Defense, seeing as Metagross's Special Defense is overshadowed by your Defense. Meteor Mash and Earthquake utilizes Metagross's amazing attack stat to do as much damage as possible, and Explosion is a last chance tactic to take out something your worried he wont be able to handle himself.)
Thats what i offer. And for rating your team, next time try to put more information ;) I hope i helped
*Edit* Eh... you edited as i was making the post. Use my suggestions if you want or not. :P I dont feel like changing my post.
![[PokeCommunity.com] OU Metagross Team](https://www.homee.com/pic/thread%20sucks.jpg "[PokeCommunity.com] OU Metagross Team")