Shatterskull Smashing and Valakut Awakening are the best of the bunch
Even on its own outside of a Pirate deck you still have a two mana creature that can flash in and block an opposing attacker, acting like a removal spell that pairs favorably with all of the ways to reanimate creatures in Standard
Diablos stats arent particularly high, with 2 each of Strength and Willpower, plus just 1 point of Lore
While there is now some discussion over the best Bob, given that we now have Dark ConfidantDark Confidant, Keen DuelistKeen Duelist, and the newly minted Caustic BroncoCaustic Bronco, there's no question that this deck and many others like it will want several of them
Say what you like about the draft experience, I just couldnt shake the image of Arcums Astrolabe from my mind
It works wonders with the evoke mechanic, or cards like Fleshbag Marauder, because they produce the so-important death trigger