Well, okay, its an Explore with a 1/1 body attached, but value is value
We saw Desecration Demon dominate Standard during the days of Mono-Black Devotion, and it didnt have trample and could also be tapped down
Persuasive Interrogators If I can investigate, make five Clues and then play this, all I need is 10 mana to win the game. I think these Persuasive Interrogators have given you Stockholm Syndrome
While the deck is definitely focused around creatures, there are also a number of notable noncreature spells
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