Reason #1,372: That’s a lot of bones

Another card with an extensive history in Magic, Wall of Bone has ten different printings. And looking at this wall, I gotta ask, “Where did they get all those bones?” Grave robbing? Some of those bones look huge. Whose grave did they rob? I don’t know about this idea, guys.

Here’s another version of the wall. Maybe this will shed some light on…wait, what? Strengthened by the souls of traitors? Whose idea was this?