Then when I was working on Unhinged I used it as one of the abilities on Greater Morphling
Self-milling, discarding, surveiling, or even manifest dread are good for setting up those four card types
You will rack up a ton of Blood Artist triggers each turn with these zombies dying and win pretty quickly
(Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Instant Shriekmaw Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) When this creature enters, destroy target nonartifact, nonblack creature
You do end up with decks like Sparky Sparky Firebending and Earthbending Warriors
The higher the grade, the more likely it is that other collectors will pay a premium to own it