But with brewing the cost to being wrong is tiny, but there is huge value in being right (the 80% winrate you can get with a good brew and the satisfaction and that comes with putting a new deck on the map, winning a big tournament with your own brew, getting a card banned, etc)
To go along with that, there are four preconstructed decks being introduced with it
Its dominance in the competitive scene and its role in defining the black color as "self sacrifice for power" make Necropotence one of the best Magic enchantments ever printed
Anyway, its a deck that likes Equipment, and a second combat phase is all kinds of good when we have buffed-up creatures
Null Elemental Blast is Ugin the Spirit Dragon's take on the cycle, and it's an immensely powerful tool for specific decks to have access to
However, they also work for all kinds of permanents, so I've decided to exclude them from this list and Muldrotha has a separate deck guide