This basically boils down to Jund and Esper looking much less consistent and put together compared to the other two decks, although this might be (at least in part) because it's easier to build a cohesive artifact- or enchantment-themed deck than more abstract themes like "the top of your deck matters" or "lands matter." Here's a quick pros-and-cons list on the four decks
Plus, thanks to Resolute Heart, Pikachu refuses to go down in one hit and clings to life with just ten HP
For example, it works quite well in some creature matchups thanks to Conflagrate, Darkblast, sideboard creature removal, and continuous blockers
The goal of this deck is to maximize Baba's activated ability
Fractured Sanity is another good option, even though it only mills fourteen cards since, in a pinch, it can be cycled away to draw cards
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