Flurry Shaman

From wow.incgamers.com

Talent: Flurry Shaman
Effect: Increases your attack speed by a % for your next 3 swings after dealing a critical strike.
Statistics: Rank 1 = 10%, Rank 2 = 15%, Rank 3 = 20%, Rank 4 = 25%, Rank 5 = 30%.