which race as the best pvp racial abilities?
avoid talking about particular encounter, in general
gnome : Escape Artist : Escape the effects of any immobilization or movement speed reduction effect. Instant cast. 1 min, 45 sec cooldown as of Patch 2.3 (was 1 min).
dwarf : Stoneform : Activate to gain immunity to poison, disease, and bleed (will also remove these types of debuffs); +10% Armor; Lasts 8 seconds. 3 minute cooldown.
human : Every Man for Himself : Removes all movement impairing effects and all effects which cause loss of control of your character. This effect shares a cooldown with other similar effects, 2 minute cooldown.
night elf Shadowmeld : Activate to slip into the shadows, reducing the chance for enemies to detect your presence. Lasts until cancelled or upon moving. Any threat is restored versus enemies still in combat upon cancellation of this effect, 2 minute cooldown.
dranei Gift of the Naaru : Heals the target of 170 damage over 15sec. The amount healed is increased based on the caster's Spell Power or Attack Power, whichever is higher. This ability does not lose casting time from taking damage. 3 minute cooldown.
orc Blood Fury : Activate to increase attack power and spell damage/healing by an amount based on level/class for 15 seconds. 2 minute cooldown.
troll Berserking : Activate to increase attack and casting speed for 10 seconds. Speed is raised by 10% at full health, increasing as health is lost to a maximum bonus of 30%. 3 minute cooldown.
undead
blood elves : Arcane Torrent : Activate to silence all enemies within 8 yards for 2 seconds. In addition, you gain 15 Energy, 15 Runic Power or 6% Mana. 2 min. cooldown.
tauren War Stomp : Activate to stun opponents - Stuns up to 5 enemies within 8 yards for 2 seconds. 2 minute cooldown.