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Corrupted Key
Mystery Booster Playtest Cards 2019 (CMB1) · #39 · rare · mtg
Artifact — Key
Weighted composite · smoothed against one-off swings.
Current prices
Non-foilNM
| cardkingdom | $2.29 | 2026-07-24 |
| Cardmarket | ≈$6.03 | 2026-08-08 |
| TCGplayer | $0.69 | 2026-08-08 |
Non-USD sources (e.g. Cardmarket, EUR) are shown converted to USD at €1 ≈ $1.15 — indicative, not an exact quote.
Prices update daily · last checked Sun Aug 09. Indicative, not offers — how we price.
Price history (last 180 days)
Recorded prices are Near Mint; LP–DMG are estimated from standard hobby multipliers (foils discounted more steeply) — a guide, not a market quote.
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Corrupted Key — card details
- Type
- Artifact — Key
- Rarity
- rare
- Mana cost
- {B}
- Set
- Mystery Booster Playtest Cards 2019 #39
- Released
- 2019
- Printings
- 2
Frequently asked questions
How much is Corrupted Key worth?
The DeckSpec price for Corrupted Key (Mystery Booster Playtest Cards 2019) is about $2.69. Recent prices range from $0.69 to $6.03 across TCGplayer, Cardmarket and other sources. Prices are indicative and update daily.
Is Corrupted Key on the Reserved List?
No — Corrupted Key is not on the Reserved List, so it can be reprinted in future sets.
How many printings does Corrupted Key have?
DeckSpec tracks 2 printings of Corrupted Key — compare the price of every version on this page.
What rarity is Corrupted Key?
Corrupted Key is a rare in Mystery Booster Playtest Cards 2019.
Where can I buy Corrupted Key?
Compare current listings via the TCGplayer, Cardmarket and eBay links on this page. DeckSpec aggregates prices and does not sell cards.
Other printings (1)
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