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Magic · Innistrad: Midnight Hunt · #73 · Common

Secrets of the Key

Magic card price for Secrets of the Key: $0.25 market, from $0.03 at the cheapest listing, Foil printing, updated Oct 18, 2026. Full price history since Feb 8, 2024 below.

Market price · Foil · Oct 18, 2026
$0.25
−3.9% this week · 0.0% in 30 days
Buy on eBay →
1 day−3.9%
7 days−3.9%
30 days0.0%
90 days+25.0%
1 year+47.1%
All time+108.3%

Sellers right now

$0.03lowest listing$7.51highest
Market price$0.25
Mid listing$0.26
30-day avg$0.25

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$0.25
Cardmarket$0.18 €0.16

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

One year

$0.1152-week low$0.2652-week high
In the range93%
All-time low$0.11
All-time high$0.26
First priceFeb 8, 2024
Foil · market priceCardmarket (EU, in USD)
$0.01$0.10$0.19$0.28
$0.25
Feb 2024Dec 2024Nov 2025Oct 2026
TCGplayer · via tcgcsv · Cardmarket · via MTGJSONtcgrate.com

Price story

Our price record for Secrets of the Key (Foil) begins in February 2024 at $0.12; the market price today is $0.25, up 108% since then. In the last year the price changed +47.1% and ranged from $0.11 to $0.26, and it now trades near the top of that range. Today's price is the highest we have recorded for this card. Listings currently start at $0.03; over the last 30 days the market price averaged $0.25.

Printings

PrintingMarketLowHigh7d
Foil$0.25$0.03$7.51−3.9%
Normal$0.23$0.01$19.950.0%

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 artifact 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: Double Feature — Magic card price 0.0% 7d Secrets of the Key Innistrad: Double Feature · #73 $0.34

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