Blood Moon is great for stopping powerful land-based strategies like Dark Depths or Mazes End and turning off more basic cards like Evolving Wilds
All of the cards shown in the packs of this article will be there, as well as Wizards of the Coast's official image gallery once it's updated tomorrow
Choosing between sealed products and singles depends on your specific goals
Mostly, this gives you a Zombie at the end of your turn if you lost 2 or more life, and losing life on your own turn isnt something that will just happen -- youll have to create situations to make that part work, and even though Black is always capable of doing that in Limited, it is highly unlikely you get a critical mass of those cards going that allows you to consistently make a Zombie, and you probably need to get at least two out of this for it to feel worth it
"I knew immediately that I had to do it, I had to make a deck with the cases." As is probably clear by now, Huggins built this novelty, jumbo-sized deck primarily to get a laugh