• 2 piece bonus - Your Obliterate and Scourge Strike abilities deal 10% increased damage., and your Heart Strike ability deals 7% increased damage.
  
• 4 piece bonus - Whenever all your runes are on cooldown, you gain 3% increased damage done with weapons, spells, and abilities for the next 15 second.

• 2 piece bonus - When you gain Clearcasting from your Omen of Clarity talent, you deal 15% additional Nature and Arcane damage for 6 seconds.
  
• 4 piece bonus - Your critical strikes from Starfire and Wrath cause the target languish for an additional 5% of your spell's damage over 4 seconds.

• 2 piece bonus - Your Swipe (Bear) and Lacerate abilities deal 20% additional damage and the cost of your Rip ability is reduced by 10 energy.
  
• 4 piece bonus - Your Enrage ability no longer decreases your armor and instead decreases all damage taken by 12%, and the periodic damage done by your Rake ability can now be a critical strike.

• 2 piece bonus - Your Auto Shots have a 5% chance to cause you and your pet to deal 15% additional damage for until cancelled.
  
• 4 piece bonus - When your Viper Sting, Serpent Sting, and Wyvern Sting abilities deal damage, you have a 5% chance to gain 20% attack power for 10 seconds.

• 2 piece bonus - Your Hot Streak, Missile Barrage, and Brain Freeze talents also grant you 12% haste for 5 seconds when the effect of the talent is consumed.
  
• 4 piece bonus - Your Mirror Image ability also causes you to deal 18% additional damage for 30 seconds.

• 2 piece bonus - Your melee attacks have a 40% chance to reset the cooldown on your Divine Storm ability.
  
• 4 piece bonus - Your Seals and Judgements deal 10% additional damage.

• 2 piece bonus - The critical strike chance of your Shadow Word: Pain, Devouring Plague, and Vampiric Touch spells is increased by 5%.
  
• 4 piece bonus - Reduces the channel duration and period of your Mind Flay spell by 0.5 seconds.

• 2 piece bonus - Your Tricks of the Trade ability now grants you 15 energy instead of costing energy.
  
• 4 piece bonus - Gives your melee finishing moves a 13% chance to add 3 combo points to your target.

• 2 piece bonus - Your Lightning Bolt spell reduces the remaining cooldown on your Elemental Mastery talent by 1 second.
  
• 4 piece bonus - The cooldown on your Lava Burst ability is reduced by 1.5 seconds.

• 2 piece bonus - When you activate your Shamanistic Rage ability you also deal 12% additional damage for 15 second.
  
• 4 piece bonus - Each time the beneficial effect of your Maelstrom Weapon talent reaches 5 charges, you have a 15% chance to gain 20% attack power for 10 second.

• 2 piece bonus - The critical strike chance of your Shadowbolt, Incinerate, Soulfire, and Corruption spells is increased by 5%.
  
• 4 piece bonus - Each time your Immolate and Unstable Affliction spells deal periodic damage, you have a 15% chance to gain 10% damage done by you and your pet for 10 seconds.

• 2 piece bonus - When your Deep Wounds ability deals damage you have a 3% chance to gain 20% attack power for 10 seconds.
  
• 4 piece bonus - You have a 30% chance for your Bloodsurge and Sudden Death talents to grant 2 charges of their effect instead of 1, reduce the global cooldown on Execute or Slam by 0.5 seconds, and for the duration of the effect to be increased by 100%.

[ Post edited by Bornakk ]

• 4 piece bonus - When your Viper Sting, Serpent Sting, and Wyvern Sting abilities deal damage, you have a 5% chance to gain 20% attack power for 10 seconds.

• 2 piece bonus - Your Hot Streak, Missile Barrage, and Brain Freeze talents also grant you 12% haste for 5 seconds when the effect of the talent is consumed.
  
• 4 piece bonus - Your Mirror Image ability also causes you to deal 18% additional damage for 30 seconds.

• 2 piece bonus - Your melee attacks have a 40% chance to reset the cooldown on your Divine Storm ability.
  
• 4 piece bonus - Your Seals and Judgements deal 10% additional damage.

• 2 piece bonus - The critical strike chance of your Shadow Word: Pain, Devouring Plague, and Vampiric Touch spells is increased by 5%.
  
• 4 piece bonus - Reduces the channel duration and period of your Mind Flay spell by 0.5 seconds.

• 2 piece bonus - Your Tricks of the Trade ability now grants you 15 energy instead of costing energy.
  
• 4 piece bonus - Gives your melee finishing moves a 13% chance to add 3 combo points to your target.

• 2 piece bonus - When your Rend and Deep Wounds abilities deal damage you have a 2% chance to gain 20% attack power for 10 seconds.
  
• 4 piece bonus - You have a 20% chance for your Blood Surge and Sudden Death talents to grant 2 charges of their effect instead of 1 and for the duration of the effect to be increased by 100%.

• 2 piece bonus - Your Obliterate and Scourge Strike abilities deal 10% increased damage., and your Heart Strike ability deals 7% increased damage.
  
• 4 piece bonus - Whenever all your runes are on cooldown, you gain 3% increased damage done with weapons, spells, and abilities for the next 15 second.

• 2 piece bonus - When you gain Clearcasting from your Omen of Clarity talent, you deal 15% additional Nature and Arcane damage for 6 seconds.
  
• 4 piece bonus - Your critical strikes from Starfire and Wrath cause the target languish for an additional 5% of your spell's damage over 4 seconds.

• 2 piece bonus - The critical strike chance of your Shadowbolt, Incinerate, Soulfire, and Corruption spells is increased by 5%.
  
• 4 piece bonus - Each time your Immolate and Unstable Affliction spells deal periodic damage, you have a 15% chance to gain 10% damage done by you and your pet for 10 seconds.

• 2 piece bonus - When your Deep Wounds ability deals damage you have a 3% chance to gain 20% attack power for 10 seconds.
  
• 4 piece bonus - You have a 30% chance for your Bloodsurge and Sudden Death talents to grant 2 charges of their effect instead of 1, reduce the global cooldown on Execute or Slam by 0.5 seconds, and for the duration of the effect to be increased by 100%.