This is going to be a high pick, even as a multi-colored card This guy is definitely small, but the combination of death touch + First Strike when it attacks is going to be pretty great, especially because he ventures for you every single time it attacks, and that will get you through a dungeon in a hurry
I wouldnt push this point too hard in non- Ikoria formats, but I might consider 14 or 15 over 16-lands occasionally, particularly in something like mono-red aggro where I wouldnt have to worry about hitting 8/8 color minimums
This card can be especially helpful in sacrifice builds, since youll rarely run out of sacrifice fodder
(9/25/2020) The token that a resolving copy of a spell becomes isn't said to have been "created."
Plus, thanks to the new Eerie keyword, many Duskmourn cards have abilities that trigger when a Room enters play or becomes fully unlocked