The Master of Keys (Borderless) #4 – Commander: Duskmourn: House of Horror (Mythic)

Magic: The Gathering · Commander: Duskmourn: House of Horror · Mythic

The Master of Keys (Borderless) #4 Price

The Master of Keys (Borderless) (#4, Mythic) from Commander: Duskmourn: House of Horror is worth $0.63 to $2.84 in Near Mint condition on TCGplayer as of October 4, 2026, depending on the printing (Foil to Normal). On Cardmarket, Europe's main marketplace, the Normal sells for €0.99.

Near Mint · TCGplayer: $2.84
Near Mint · Cardmarket: €0.99
30-day change: +21.9%
Printings: 2

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The Master of Keys (Borderless) prices by printing

Near Mint market prices, updated October 4, 2026.

Printing	TCGplayer (USD)	Cardmarket (EUR)
Normal	$2.84	€0.99
Foil	$0.63	€0.65

TCGplayer market price and Cardmarket price for Near Mint English copies. They are two separate markets, so the euro figure is Cardmarket's own price, not a conversion of the dollar one. Source: TCGplayer, Cardmarket.

Card details

Set: Commander: Duskmourn: House of Horror
Card number: 4
Rarity: Mythic
Released: September 27, 2024
Illustrator: Wisnu Tan
Power / toughness: 3/3
Type line: Legendary Enchantment Creature — Horror
Rules text: Flying
When The Master of Keys enters, put X +1/+1 counters on it and mill twice X cards.
Each enchantment card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)

The Master of Keys (Borderless): common questions

How much is The Master of Keys (Borderless) #4 worth?

The Master of Keys (Borderless) (#4, Mythic) from Commander: Duskmourn: House of Horror is worth $0.63 to $2.84 in Near Mint condition on TCGplayer as of October 4, 2026, depending on the printing (Foil to Normal). On Cardmarket, Europe's main marketplace, the Normal sells for €0.99.

What set is The Master of Keys (Borderless) from?

The Master of Keys (Borderless) is card 4 in Commander: Duskmourn: House of Horror, released September 27, 2024. Its rarity is Mythic. Illustrated by Wisnu Tan.

Is The Master of Keys (Borderless) going up in price?

Over the last 30 days the Near Mint Normal price on TCGplayer moved from $2.33 (September 6, 2026) to $2.84 (October 4, 2026), a change of +21.9%. The 30-day low was $2.02 and the high $2.84.

How do I check what my The Master of Keys (Borderless) is worth?

Scan it with the TCG Vault app on iPhone: it identifies the card from the camera in seconds and shows its current market price and price history, then keeps it in your collection so you can follow its value.