If you can manipulate the top of your library to make sure that the right creatures are there, you can guarantee the lines of play in your deck will work smoothly
Even decks that arent completely dedicated might get a little extra mileage out of Engineered Explosives, Mishras Bauble, Inkmoth Nexus, and the like
Whenever you go to draw a card, if you have at least eight permanents then your foes you'll lose a life and you'll gain it, so that's winnowing life drain here
Likewise, there are cards such as Carrot that On Play and On Attack ensure one of your opponent's Rested characters remains Rested for the foreseeable future
Would you use Atraxa for Poison counters
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