Corrupted Key
Mystery Booster Playtest Cards 2021 · #39

Corrupted Key

Corrupted Key is a Rare Artifact — Key from Mystery Booster Playtest Cards 2021 (39) in Magic: The Gathering. Mana cost {B}. Color identity: B. Cactaur's latest catalog snapshot shows a market reference near $0.16 for ungraded copies.

Mystery Booster Playtest Cards 2021 set collectorsRarity-focused collectorsPrice-conscious singles buyers
TCGPlayer market $0.16
Cardmarket trend €5.23
Rarity Rare
App coming soon

Who is this card for?

Corrupted Key suits collectors and players working on Mystery Booster Playtest Cards 2021 who need the Rare slot. Compare listing photos to your target finish and confirm the Scryfall collector number before buying online.

What is Corrupted Key from Mystery Booster Playtest Cards 2021?

Corrupted Key is a Artifact — Key in Mystery Booster Playtest Cards 2021 numbered 39. Mana cost {B}. Color identity: B. Corrupted Key (39) from Mystery Booster Playtest Cards 2021 should be evaluated with set context, mana cost, color identity, and condition together.

What is Corrupted Key worth today?

Cactaur tracks a market reference near $0.16 for Corrupted Key. Low and high spread runs $0.16 to null. Per-finish references: cardmarket: $5.23; Normal: $0.16. This printing is from Mystery Booster Playtest Cards 2021. Collector number 39 distinguishes this printing from same-name cards in other sets.

SetMystery Booster Playtest Cards 2021
Number39
RarityRare
TCGPlayer USD$0.16
Cardmarket EUR€5.23
cardmarket $5.23
Normal $0.16

Card stats

ColorsB

How collectible is Corrupted Key?

Corrupted Key is a Rare printing in Mystery Booster Playtest Cards 2021. Master set builders use collector number and set symbol to track completion progress. This printing is from Mystery Booster Playtest Cards 2021. Collector number 39 distinguishes this printing from same-name cards in other sets.

What are the key details for Corrupted Key?

Corrupted Key lists as Artifact — Key. Artist: Tom Wänerstrand. Rules text is indexed in the catalog for search and deck research. This printing is from Mystery Booster Playtest Cards 2021. Collector number 39 distinguishes this printing from same-name cards in other sets.

Cactaur's take

Corrupted Key (39) from Mystery Booster Playtest Cards 2021 should be evaluated with set context, mana cost, color identity, and condition together.

Pros

  • Corrupted Key is catalogued as Rare Artifact — Key in Mystery Booster Playtest Cards 2021, making set and collector number verification straightforward.
  • Public market data shows a reference near $0.16 across finishes (cardmarket: $5.23; Normal: $0.16).
  • Mana cost {B} and type line Artifact — Key help deck builders confirm the correct printing quickly.

Cons

  • Raw market prices vary by condition and finish — near-mint estimates are not slab grades.

Verdict: Use $0.16 as a benchmark, then adjust for finish, grade, and how quickly you need to buy or sell.

FAQ

What is Corrupted Key from Mystery Booster Playtest Cards 2021?

Corrupted Key is a Rare Artifact — Key from Mystery Booster Playtest Cards 2021 numbered 39 in Magic: The Gathering. Cactaur indexes set, rarity, mana cost, and market references for this printing.

How much is Corrupted Key worth?

Cactaur's catalog snapshot shows a market reference near $0.16 for ungraded Corrupted Key. Condition, finish, and recent sold comps can move realized prices above or below that benchmark.

What rarity is Corrupted Key?

Corrupted Key is catalogued as Rare in Mystery Booster Playtest Cards 2021. Use the collector number and set symbol on listings to confirm you are buying this exact printing.

How do I verify the correct Corrupted Key printing?

Match set code cmb2, collector number 39, and finish treatment. Scryfall-backed metadata on this page is the reference Cactaur uses for catalog keys. This printing is from Mystery Booster Playtest Cards 2021.

Should I buy Corrupted Key near mint or played?

Near-mint copies command the catalog reference near $0.16. Heavily played copies trade lower unless the card is a chase rare where any clean copy is scarce.

Related cards

Trust & data sources. Cactaur displays catalog and market data from pokemontcg.io embedded TCGPlayer/Cardmarket references. Prices change frequently and are not guarantees.

Cactaur does not authenticate cards or guarantee values. Scan your copy in the iPhone app for condition-aware guidance.

Catalog snapshot: 2026-06-23. Last updated: 2026-06-23.