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

Agent of Treachery (Borderless) #9 Price

Agent of Treachery (Borderless) (#9, Mythic) from Avatar: The Last Airbender: Eternal-Legal is worth $4.20 to $5.34 in Near Mint condition on TCGplayer as of October 3, 2026, depending on the printing (Normal to Foil). On Cardmarket, Europe's main marketplace, the Foil sells for €5.07.

Near Mint · TCGplayer: $5.34
Near Mint · Cardmarket: €5.07
30-day change: −0.4%
Printings: 2

Scan it with TCG Vault

Agent of Treachery (Borderless) prices by printing

Near Mint market prices, updated October 4, 2026.

Printing	TCGplayer (USD)	Cardmarket (EUR)
Foil	$5.34	€5.07
Normal	$4.20	€4.32

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: 9
Rarity: Mythic
Released: November 21, 2025
Illustrator: Viacom
Power / toughness: 2/3
Type line: Creature — Human Rogue
Rules text: When this creature enters, gain control of target permanent.
At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

Agent of Treachery (Borderless): common questions

How much is Agent of Treachery (Borderless) #9 worth?

Agent of Treachery (Borderless) (#9, Mythic) from Avatar: The Last Airbender: Eternal-Legal is worth $4.20 to $5.34 in Near Mint condition on TCGplayer as of October 3, 2026, depending on the printing (Normal to Foil). On Cardmarket, Europe's main marketplace, the Foil sells for €5.07.

What set is Agent of Treachery (Borderless) from?

Agent of Treachery (Borderless) is card 9 in Avatar: The Last Airbender: Eternal-Legal, released November 21, 2025. Its rarity is Mythic. Illustrated by Viacom.

Is Agent of Treachery (Borderless) going up in price?

Over the last 30 days the Near Mint Foil price on TCGplayer moved from $5.36 (September 5, 2026) to $5.34 (October 3, 2026), a change of −0.4%. The 30-day low was $5.27 and the high $5.47.

How do I check what my Agent of Treachery (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.