This deck is a work in progress between the infamous pufftrees, most of the 8 rack discord (including me), sweat, blood, and numerous 2-3 leagues on MTGO (improvement from 0-5 leagues lol). It takes your fringe deck 8 rack and fills the holes that mono black just can't close.
Why Choose Wrenn and Six Racks over traditional 8 Rack?
W6 Racks brings to the table a lot of things mono black does not. First off Wrenn and Six. This card is busted. The +1 has synergy with raven's crime AND smallpox which are both 4 ofs in the deck. The -1 hits a ton of things in modern from glistner elf, to noble heirarch, to snapcaster mage, to birds of paradise. The ult is obscene as we can just start retracing fatal push, kolaghan's command, or even smallpox.
But this deck brings more than just W6. By dabbing into red and green, we gain access to reliable artifact and enchantment removal in the form of abrupt decay and kolaghan's command. While the core of the deck remains mono black, this splash throws in so much potential utility.
What holes does this fill?
To understand what holes mono black has that W6 Rack doesn't you need to take a look at some of the primary reasons 8 rack is bad. First off, mono black runs out of gas and goes into topdeck mode fast. it becomes a game of who can topdeck better, which we frequently lose. once you go jund, you gain the ultility that gives us better topdecks. For example, instead of a late game thoughtseize, we might draw a k-command which is drastically more useful. In this build, we are always happy to see lands in hand, because we have so much to do with them that there is rarely a downside.
Second, 8 rack is a soft lock. Mono black cant pox forever, and where a lot of 8 rack players go wrong is they play the deck like a prison deck. Mono black cannot be played like prison because we cant drag out the game or they will just topdeck out of it. Lili upticks at sorcery speed, so all they need to do is topdeck an answer to our boardstate and its over for us. W6 Racks provides us with a long game hard lock once we get the w6 emblem. We can retrace smallpox until they are hellbent with no lands or very few lands, and then just retrace K-Command every draw step before their main phase, discarding their card and shocking them.
The one thing I would say mono black has up on us is the manabase is less painful/vulnerable to a blood moon
When in doubt, Rack 'em out
