There are many greens and blues you can collect while grinding or questing to sell on the AH. Scroll of Spirit II:
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When facing multiple foes, dot everybody, send your pet after a caster class, and burn down the healer first if there is one. Purge removes all enemy beneficial magical spells.
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The Twinking School (Lvl 19 Full twink guide)
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Wow Level 19 Twink Holy Priest Guide
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Level 19 twink
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A must-have for any twink with multiple gear sets. We have defensive classes and offensive classes, but why is this?
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Best class for a level 19 twink - WoW Help - Wowhead Forums
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[Guide] 19 twink warlock
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World of Warcraft Level 19 Twink Guide for PC by Demonrage89 - GameFAQs