Corrupted Key
Mystery Booster Playtest Cards 2021, Magic: The Gathering, Rare, art by Tom Wänerstrand
Printing: Normal, Near Mint
$0.28
TCGplayer market price (an average of recent sales)
As of Oct 24 (4 days ago). Unchanged since Oct 21.
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Price trend
Oct 17 $0.27 → Oct 24, 2026 $0.28 +3.7%
Sep 24 $0.26 → Oct 24, 2026 $0.28 +7.7%
Jul 26 $0.15 → Oct 24, 2026 $0.28 +86.7%
Oct 24, 2025 $0.23 → Oct 24, 2026 $0.28 +21.7%
Feb 8, 2024 $0.12 → Oct 24, 2026 $0.28 +133%
Vs its set
Over the 90 days to Oct 24, 2026: this card +86.7%; the median other card in Mystery Booster Playtest Cards 2021 +5.9% (120 others).
Market details
Sold vs asking
Sellers ask 1.4× the recent sale price.
Asking figure from TCGplayer listings, as of Oct 24.
Record
Price history Feb 8, 2024 to Oct 24, 2026
Price changes, last 30 days
2 one-cent rises, from $0.26 to $0.28.
Same set: Mystery Booster Playtest Cards 2021 (121)
Same artist: Tom Wänerstrand (182)
Keep exploring
Live market
eBay asking prices, fetched when you open this page.
Newest TCGplayer value: Oct 24, 2026. Prices in USD. Card names and images © their respective publishers. See how these prices are made.