Hero Power

Rastakhan's Rumble is the newest expansion for Hearthstone, and it will encourage the Mage to use its Hero Power a lot it seems. When you see a card like this, you are very likely to put it in many Mage decks. But, you also have to consider the fact that it says "Deal 8 damage" and not "8 or more", so it's gimmicky. But, does gimmicky even…