Well, it's quite simple. As long you don't lack of resilience, just use +Stamina gems. Otherwise, get the 100 Halaamarks gem with +10 resilience or the BT/MH ones. Gear should be clear: Arena-armor, PvP Rewards (such as neck, girdle, bracers and boots, also rings, trinkets are battlemaster and Medallion of the Horde) Weapon should be either BT/MH if you get that or Saison 2/3 weapon.
The coice of the weapon is a bit difficult. If you are orc, you could chose axe 'cause of your +expertise, but since many got so much resilience, the +crit/hit you got from that is not that worth it. For other races it depends on your taste of which you think is the best. Mace = stun, Sword = Chance on extra strike and Axe = +5% crit. Enchant on weapon is clearly Savagery, 'cause Mungoose and Executioner is just useful for fast weapons because it proccs more often.
In 2v2 bracket, get a druid and collect epix. 3v3 the same (druid) and maybe a rogue or something like that. In 5v5 their are many combos: 2-Healer, 2 caster and 1 warri or 1 healer, rogue warrior mage warlock/Shaman or Manaleech combo, their you have to try out what the best is for your style of gaming.
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