# Slivdrazi Monstrosity Slivdrazi Monstrosity represents an interesting footnote in Magic's design history as part of the Mystery Booster Playtest Cards from 2019. These cards were experimental designs never intended for standard play, making them curiosities rather than competitive staples. Collectors value playtest cards primarily for their novelty and the insight they offer into Wizards' design process. The rare designation suggests it was among the more ambitious concepts tested. Since these cards exist outside normal release structures, they appeal to collectors interested in Magic's behind-the-scenes development rather than those seeking tournament-viable cards. The nonfoil-only status reflects the limited production run of these promotional materials.