Magic: The Gathering · Avatar: The Last Airbender: Eternal-Legal · Mythic

Intruder Alarm (Borderless) #15 Price

Intruder Alarm (Borderless) (#15, Mythic) from Avatar: The Last Airbender: Eternal-Legal is worth $4.25 to $5.39 in Near Mint condition on TCGplayer as of October 4, 2026, depending on the printing (Normal to Foil). On Cardmarket, Europe's main marketplace, the Foil sells for €3.49.

Near Mint · TCGplayer: $5.39
Near Mint · Cardmarket: €3.49
30-day change: +2.1%
Printings: 2

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Intruder Alarm (Borderless) prices by printing

Near Mint market prices, updated October 4, 2026.

Printing	TCGplayer (USD)	Cardmarket (EUR)
Foil	$5.39	€3.49
Normal	$4.25	€2.58

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: Avatar: The Last Airbender: Eternal-Legal
Card number: 15
Rarity: Mythic
Released: November 21, 2025
Illustrator: Viacom
Type line: Enchantment
Rules text: Creatures don’t untap during their controllers’ untap steps.
Whenever a creature comes into play, untap all creatures.

Intruder Alarm (Borderless): common questions

How much is Intruder Alarm (Borderless) #15 worth?

Intruder Alarm (Borderless) (#15, Mythic) from Avatar: The Last Airbender: Eternal-Legal is worth $4.25 to $5.39 in Near Mint condition on TCGplayer as of October 4, 2026, depending on the printing (Normal to Foil). On Cardmarket, Europe's main marketplace, the Foil sells for €3.49.

What set is Intruder Alarm (Borderless) from?

Intruder Alarm (Borderless) is card 15 in Avatar: The Last Airbender: Eternal-Legal, released November 21, 2025. Its rarity is Mythic. Illustrated by Viacom.

Is Intruder Alarm (Borderless) going up in price?

Over the last 30 days the Near Mint Foil price on TCGplayer moved from $5.28 (September 6, 2026) to $5.39 (October 4, 2026), a change of +2.1%. The 30-day low was $5.26 and the high $5.39.

How do I check what my Intruder Alarm (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.