Like most Magic: The Gathering cards, the value of Grim Initiate depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (War of the Spark)
Burning them for a visual cosmetic isnt something we would advise when first diving into the game
13 Pete, Bad Guy (Enchanted) Mickey's Original Villain Makes His Debut Market Price: $43.84 Pete, Bad Guy is the first enchanted we see on this list, which accounts for the price hike
It reads: (U)(R), (tap): Create a token thats a copy of another target creature or artifact you control, except its an artifact in addition to its other types
The biggest - and maybe only - difference between my deck and this one is that mine is mono-black
Not only were they bad then, but Staff of the Ages does the same thing for all landwalking (even Desertwalking) and its an artifact too boot