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  6. Secrets of the Key

Magic · Innistrad: Double Feature · #73 · Common

Secrets of the Key

Magic card price for Secrets of the Key: $0.34 market, from $0.05 at the cheapest listing, Normal printing, updated Oct 18, 2026. Full price history since Feb 8, 2024 below.

Market price · Normal · Oct 18, 2026
$0.34
0.0% this week · 0.0% in 30 days
Buy on eBay →
1 day0.0%
7 days0.0%
30 days0.0%
90 days+21.4%
1 year+100.0%
All time+277.8%

Sellers right now

$0.05lowest listing$6.99highest
Market price$0.34
Mid listing$0.34
Direct$0.10
30-day avg$0.34

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$0.34
Cardmarket$0.18 €0.16

EUR converted at 1.1253 (ECB reference rate). Shipping and condition not included.

One year

$0.1552-week low$0.3552-week high
In the range95%
All-time low$0.09
All-time high$0.35
First priceFeb 8, 2024
Normal · market priceCardmarket (EU, in USD)
$0.08$0.17$0.27$0.37
$0.34
Feb 2024Dec 2024Nov 2025Oct 2026
TCGplayer · via tcgcsv · Cardmarket · via MTGJSONtcgrate.com

Price story

We have tracked Secrets of the Key (Normal) since February 2024, when it sold for $0.09. Today the market price is $0.34, up 278%. Across the past year it went +100%, with a low of $0.15 and a high of $0.35; today it sits near the top of that range. Today's price is the highest we have recorded for this card. Listings currently start at $0.05; over the last 30 days the market price averaged $0.34.

Printings

PrintingMarketLowHigh7d
Normal$0.34$0.05$6.990.0%
Foil$0.12$0.12$1.99−40.0%

The card in play

Type line
Instant
Rules text

Investigate. If this spell was cast from a graveyard, investigate twice instead. (To investigate, create a colorless Clue atrifact token with "2, Sacrifice this artifact: draw a card.")

Flashback 3U

Flavor

As Sigarda and Sorin battled, Arlinn and Teferi recovered the key from the Markov catacombs.

Other printings of Secrets of the Key

1 more · $0.25 – $0.34
All printings
Secrets of the Key (73), Innistrad: Midnight Hunt — Magic card price −3.9% 7d Secrets of the Key Innistrad: Midnight Hunt · #73 $0.25

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