MTG · English · TBD
Mystery Booster Playtest Cards 2021
Magic pages should feel like an illuminated archive: rules-heavy, history-aware, and serious about print treatment — anchored right now by Slivdrazi Monstrosity.
Cards tracked121
Variants tracked1
Market floor$0.15
Grail card$14.46
Set index
A tradeable basket for the whole set.
Complete set basket$57.93121 priced cards roll into the current estimate.
Chase basket$28.43Tracks the highest-signal cards instead of the long tail.
Raw lane basket$0.48Useful for estimating where the body of the set sits today.
Coverage is live on 100% of the set right now, which is enough to show the market center even before the long tail fully fills in.
rare is the dominant rarity band in this release, while Sorcery is the strongest card-family signal on the page today.
Magic collectors want chronology, finish awareness, and context about why a card matters across formats and eras.
Set pulse
Real activity where we have it, honest signals where we do not.
Activity is still forming for this set. The price coverage and chase basket above update as VaultStore listings and sales deepen.
Rarity mix
Where the card count is concentrated.
rare121
Trusted sellers
The best current storefronts touching this lane.
Trusted seller rankings will fill in here as more live listings attach to this set.
Related sets
Continue the chronology.
Temperature index
Heat signal across the full set.
On Fire10
Heating Up74
Cooling14
Top movers
The strongest gainers right now.
Cooling off
Cards losing momentum in the current window.
Completion tracking
Built for real set goals, not generic wishlists.
0%owned
VaultStore completion tracking is designed for any-copy, any-variant, grade-specific, and language-specific goals. This page already knows the full card map; the collector layer sits on top of it.
Sign in to import a collection CSV, auto-claim VaultStore purchases, or manually mark cards as owned.
Collector guide
Why this set matters right now.
Reserved List icons, Commander staples, foils, borderless treatments, and modern premium printings all route through the same browse surface.
Foundations is the cleanest current on-ramp for cataloging modern staples.
Beta and Arabian Nights remain the benchmark history surfaces every serious collectible page gets measured against.
Set overview
A destination page, not just a listing grid.
# Mystery Booster Playtest Cards 2021 Mystery Booster Playtest Cards 2021 represents a retrospective collection released in 2026, comprising 121 experimental designs originally conceived during the 2021 playtest period. This set documents Wizards of the Coast's design exploration from several years prior, offering collectors insight into mechanical directions that were ultimately rejected or significantly modified before reaching print. The set holds particular significance for demonstrating design philosophy during a transitional period in Magic's development. Notable entries include Slivdrazi Monstrosity, which explores hybrid creature mechanics, and Planequake, representing large-scale environmental effects. Sliv-Mizzet, Hivemind combines multiple mechanical themes, while Mirrored Lotus presents resource acceleration concepts. Banding Sliver revives the historically problematic banding mechanic within a creature type framework. These cards function primarily as historical artifacts rather than competitive staples, appealing to collectors interested in Magic's design process and the evolution of mechanical concepts across multiple development cycles.
A great Magic catalog page needs to explain finish splits, print treatments, and why the set still matters across formats.
Top cards to collect
FAQ
What makes Mystery Booster Playtest Cards 2021 important for collectors?
Mystery Booster Playtest Cards 2021 sits inside the live magic archive. and matters because it combines set identity, chase hierarchy, and live market behavior in one place.
