# One with Death One with Death represents an interesting moment in Magic's design exploration. This Mystery Booster playtest card showcases R&D experimenting with black's identity around death and sacrifice mechanics. Collectors appreciate playtest cards for their candid glimpse into design iteration—this card never made it to a standard set, making it a curiosity piece rather than a format staple. The Mystery Booster series holds particular appeal because these cards were never officially released through normal channels, creating inherent scarcity. Playtest cards attract collectors interested in Magic's behind-the-scenes process and those seeking unusual pieces outside the typical release structure. The nonfoil-only printing limits variant options, which some collectors view as either a drawback or a straightforward collecting goal.