
Mystery Key
- 1-year range
- 30 days
- +20.0%
- EDHREC rank
- #17,491 Down 172 in 30 days
- Best buylist
Buy PLST #CLB-85 nonfoil
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Mystery Key Price Summary
The benchmark price (cheapest playable nonfoil) is $0.12, flat over 7 days, up 20.0% over 30 days, up 33.3% over 90 days.
Mystery Key Price History
Cardmarket is quoted in euros. Its line is drawn at the dollar equivalent.
Reprints in this period
Mystery Key price history chart, default range 3 months. currently $0.12.
Where to Buy and Sell Mystery Key
Every market we track for PLST #CLB-85 nonfoil on one line. The gray band is what you give up selling to a store instead of buying at market.
Mystery Key in Sealed Products
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Mystery Key Printings & Prices
Mystery Key has 2 tracked printings across 2 sets, in nonfoil and foil finishes.
Sell Mystery Key: Buylist Offers
| Buyer | Printing | Finish | Cash offer | Market | Spread to market |
|---|---|---|---|---|---|
| Card Kingdom | CLB #85 | Foil | |||
| Card Kingdom | PLST #CLB-85 | Nonfoil | |||
| Card Kingdom | CLB #85 | Nonfoil |
Mystery Key Rules Text & Legality
When equipped creature deals combat damage to a player, sacrifice this Equipment. If you do, draw three cards.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
Mystery Key is legal in Legacy and Commander, and not legal in Standard, Pioneer, Modern and Pauper.
- BrawlLegal
- CommanderLegal
- Competitive BrawlLegal
- Duel CommanderLegal
- GladiatorLegal
- HistoricLegal
- LegacyLegal
- OathbreakerLegal
- TimelessLegal
- VintageLegal
- AlchemyNot legal
- Future StandardNot legal
- ModernNot legal
- Old SchoolNot legal
- PauperNot legal
- Pauper CommanderNot legal
- Penny DreadfulNot legal
- PioneerNot legal
- PreDHNot legal
- PremodernNot legal
- StandardNot legal
- Standard BrawlNot legal
Reprints & Reprint Risk
Mystery Key has been reprinted 3 times.
- Apr 29, 2022The ListPLST #CLB-85
- Jun 10, 2022Commander Legends: Battle for Baldur's GateCLB #85
- Jun 10, 2022Commander Legends: Battle for Baldur's Gate · foilCLB #85
Mystery Key in Commander
Mystery Key is the #17,491 most-played card on EDHREC, down 172 places over the last 30 days.
across all Commander decks Down 172 in 30 days
Mystery Key FAQ
How much is Mystery Key worth?
Mystery Key is worth about $0.12 for its cheapest playable printing as of Nov 9, 2026.
Is Mystery Key legal in Commander?
Yes. Mystery Key is legal in Commander. It is also legal in Legacy.
Has Mystery Key been reprinted?
Yes. Mystery Key has been reprinted 3 times, with 2 printings tracked on The Index.
Why is Mystery Key cheap?
Mystery Key trades at about $0.12; 3 reprints keep supply plentiful, and Commander demand is modest (#17,491 on EDHREC).