Baku the Mooneater is the mirror image of Greymane's Baku which increases the WoW cataclysm Gold player's Hero Power from the very beginning by constructing an entire deck of odd-cost cards. These new powers are likely to be like the ones that were introduced by Justicar Truehart who rolled out of Standard in the past. Greymane's cost reduction should allow it to be more manageable....