Hearthpwn

Frost Death Knight has undergone a transformation since the Sire nerf. Now lists are focusing more on tempo and burst damage packages. This looks like the best way to build the most powerful triple Frost Rune deck. And SuperiorDavid was able to crack top 100 legend with his take on the archetype.

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(Want to see the deck in action? Check out the video below for some insane highroll turns/highlights, as well as a Deck Breakdown to help you learn how to break the meta!)

Gameplan:

This deck aims to play on curve. Developing threats and generating resources while you fight for the board. You can win in a number of different ways. Obviously, there is Lady Deathwhisper to help you generate ample amounts of damage with your Frost spells. If you discount the spells with Rimefang Sword, it's even more powerful.

However, this deck can freeze for multiple turns. You can burst with spells Guild Traders. You can discover so many different outs with Venomous Scorpid, Nerubian Vizier, School Teacher. Far Watch Post on 2 can give you the perfect amount of time to build up your board control. 

I'm not 100% on the inclusion of Runeforging when we play Overseer Frigidara, but according to David, tempo is more important, and you need to cycle with this deck. Draw can be very underwhelming at times.

Mulligan:
ALWAYS KEEP: Runeforging, Far Watch Post, Harbinger of Winter, Chillfallen Baron, Rimefang Sword

SOMETIMES KEEP: Bone Breaker, Frost Strike (for aggro), Frostwyrm's Fury (against DR Rogue)