The Frozen Pwn, formerly known as TempoStorm, has revealed a the Shaman Death Knight card: Thrall, Deathseer. It's even more support for the Evolve Shaman archetype, but this one upgrades your minions by two mana rather than one, so it will require different cards to be successful.
The Hero Power is 2: Transform a friendly minion into a random one that costs (1) more.
Knights of the Frozen Throne
Want to learn more about Hearthstone's upcoming Knights of the Frozen Throne? Head on over to our expansion guide.
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