Universes Within Cards are Leaving Magic
In a recent Blogatog post, MTG designer Mark Rosewater suggested that Universes Within versions of Universes Beyond cards weren't a priority.
Over the course of the last couple years, there’s no denying the sheer volume of Universes Beyond products that have entered the world of MTG.…
This article is still available from its publisher, so Library of Leng indexes it here but does not republish the text. Read it at the original source.