As for the card itself, Stone of Erech is an interesting way to utilize graveyard hate in multiple formats
You can also play Celestial Dawn, Joiner Adept, Dryad of the Ilysian Grove, and Prismatic Grove to fix all of your color problems at once
Since Commander Masters is an all-reprint set with no specific plane or worldbuilding in mind, these commander precons pull from popular archetypes and settings across all Magic
However, this still had the issue of yielding a very tightly curled foil layer
If you are (and you should), it's a pretty cheap and reliable way to always have some threat on the board and really get the most out of the archetype by just going wide and smacking face
We felt it served a very important function in the game keeping dangerous combo pieces in check