The owner of this deck hasn't added a sideboard, they probably should...
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Get unblockable creatures out and hammer the opponent into submission. Draw cards, guarantee Elbrus gets through, and generally have fun.
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Something I've been exploring is Worldslayer with the unblockables. Most of the unblockables are fairly low mana cost- like Blighted Agent, Neurok Invisimancer, and Invisible Stalker so they can get back onto the field with a few land cards if you strike with Worldslayer.
Hmm, very cool idea...