priest and druid yes.
warlock dk makes handlock better so maybe
hunter is next
the rest r meh. too gimmicky,
happy ghoul is basically a hero power(2mana) 3/3 for priest on turn 2, not THAT impressive since its likely ur health is still full on turn 2.
won't see play
the irony.. that they made us wait extra week to keep the hype up, and then they totally killed the hype with this one single stupid card on the supposedly big reveal day. talk about anticlimax
hero power = ice block, the dream