priest and deathwing
However, it surely can work in Priest and Druid since both are late games. In competitive games, it usually end after 30 cards are drawn. And you can always save Deathwing until the end to surprise your Opponent.
However, I've been experimenting with him in Control Warrior and Ramp Druid, and I'm very happy with the results, so happy I'd say he's Core in Control Warrior if you want any chance vs. Handlock.
What's scarier than a 12/12 that just cleared your board? A 12/12 and 2 4/4. If it's druid you may even have gotten 2 2/2's as well.
The only downside to running him in priest is that it's very hard to dump your hand of cards in priest as sometimes you just don't get the option to use your death cards and the like.
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