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

Fierce Guardianship (Showcase) #307 Price

Fierce Guardianship (Showcase) (#307, Promo) from Avatar: The Last Airbender: Eternal-Legal is worth $71.37 in Near Mint condition on TCGplayer as of October 3, 2026. On Cardmarket, Europe's main marketplace, the Normal sells for €65.18.

Near Mint · TCGplayer: $71.37
Near Mint · Cardmarket: €65.18
30-day change: +3.9%
Printings: 1

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Fierce Guardianship (Showcase) prices by printing

Near Mint market prices, updated October 4, 2026.

Printing	TCGplayer (USD)	Cardmarket (EUR)
Normal	$71.37	€65.18

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: 307
Rarity: Promo
Released: November 21, 2025
Illustrator: Ina Wong
Type line: Instant
Rules text: If you control a commander, you may cast this spell without paying its mana cost.
Counter target noncreature spell.
Flavor text: "Your technique is useless on me."

Fierce Guardianship (Showcase): common questions

How much is Fierce Guardianship (Showcase) #307 worth?

Fierce Guardianship (Showcase) (#307, Promo) from Avatar: The Last Airbender: Eternal-Legal is worth $71.37 in Near Mint condition on TCGplayer as of October 3, 2026. On Cardmarket, Europe's main marketplace, the Normal sells for €65.18.

What set is Fierce Guardianship (Showcase) from?

Fierce Guardianship (Showcase) is card 307 in Avatar: The Last Airbender: Eternal-Legal, released November 21, 2025. Its rarity is Promo. Illustrated by Ina Wong.

Is Fierce Guardianship (Showcase) going up in price?

Over the last 30 days the Near Mint Normal price on TCGplayer moved from $68.72 (September 5, 2026) to $71.37 (October 3, 2026), a change of +3.9%. The 30-day low was $68.67 and the high $71.83.

How do I check what my Fierce Guardianship (Showcase) 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.