Here's a kind of fun darkness deck I've been running on and off in AI3, PVP1, and Bronze Arena. As a player farming for rares, I'm concerned more with win rate than TTW, so I decided to pack a LOT of control, a mix of QC with the Devourers, CC with Drain Life, and PC with Steal (optionally stealing Pillars for QC if it's a good opportunity). This deck might be a little large in terms of cards, but almost every card I draw I'm happy to see in my hand, so I'm not sure how much I should trim it. Plus, having more than 35 cards, I occasionally get into prolonged control struggles and deck out Arena decks, so having at least 36 cards is nice (unless this is just me being a noob, which is quite possible too).
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4sa 4sa 4sa 5uk 5uk 5uk 5uk 5uk 5uk 5uk 5uk 5uk 5uk 5uk 5uk 5ul 5ul 5ul 5ul 5um 5um 5um 5um 5um 5un 5up 5up 5up 5up 5up 5up 5uq 5us 5us 5us 5us 5us 5us 8pt
The QP's are so that I can use actives on whatever cards I steal (Owl's Eye being a personal favorite).