Professor Onyx (Borderless) #276 – Strixhaven: School of Mages (Mythic)

Magic: The Gathering · Strixhaven: School of Mages · Mythic

Professor Onyx (Borderless) #276 Price

Professor Onyx (Borderless) (#276, Mythic) from Strixhaven: School of Mages is worth $11.90 to $36.10 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 €18.25.

Near Mint · TCGplayer: $36.10
Near Mint · Cardmarket: €18.25
30-day change: +0.0%
Printings: 6

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Professor Onyx (Borderless) prices by printing

Near Mint market prices, updated October 4, 2026.

Printing	TCGplayer (USD)	Cardmarket (EUR)
Foil	$36.10	€18.25
Normal	$11.90	€8.14
Foil - Japanese	—	—
Normal - Chinese (S)	—	—
Normal - Japanese	—	—
Normal - Russian	—	—

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: Strixhaven: School of Mages
Card number: 276
Rarity: Mythic
Released: April 23, 2021
Illustrator: Kieran Yanner
Type line: Legendary Planeswalker — Liliana
Rules text: Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life.
+1: You lose 1 life, Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.
-3: Each opponent sacrifices a creature with the greatest power among creatures that player controls.
-8 Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.

Professor Onyx (Borderless): common questions

How much is Professor Onyx (Borderless) #276 worth?

Professor Onyx (Borderless) (#276, Mythic) from Strixhaven: School of Mages is worth $11.90 to $36.10 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 €18.25.

What set is Professor Onyx (Borderless) from?

Professor Onyx (Borderless) is card 276 in Strixhaven: School of Mages, released April 23, 2021. Its rarity is Mythic. Illustrated by Kieran Yanner.

Is Professor Onyx (Borderless) going up in price?

Over the last 30 days the Near Mint Foil price on TCGplayer moved from $36.09 (September 6, 2026) to $36.10 (October 4, 2026), a change of +0.0%. The 30-day low was $35.97 and the high $36.30.

How do I check what my Professor Onyx (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.