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  6. Professor Onyx

Magic · Promo Pack: Strixhaven · #83 · Mythic

Professor Onyx

Magic card price for Professor Onyx: $6.45 market, from $6.30 at the cheapest listing, Foil printing, updated Oct 17, 2026. Full price history since Feb 8, 2024 below.

Market price · Foil · Oct 17, 2026
$6.45
+0.8% this week · +2.4% in 30 days
Buy on eBay →
1 day0.0%
7 days+0.8%
30 days+2.4%
90 days+2.1%
1 year−8.8%
All time−25.9%

Sellers right now

$6.30lowest listing$94.77highest
Market price$6.45
Mid listing$8.92
30-day avg$6.36

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$6.45
Cardmarket$5.71 €5.07

EUR converted at 1.1253 (ECB reference rate). Shipping and condition not included.

One year

$6.3052-week low$8.2252-week high
In the range8%
All-time low$5.99
All-time high$13.57
First priceFeb 8, 2024
Foil · market priceCardmarket (EU, in USD)
$3.02$6.87$10.72$14.57
$6.45
Feb 2024Dec 2024Nov 2025Oct 2026
TCGplayer · via tcgcsv · Cardmarket · via MTGJSONtcgrate.com

Price story

Our price record for Professor Onyx (Foil) begins in February 2024 at $8.70; the market price today is $6.45, down 25.9% since then. In the last year the price changed −8.8% and ranged from $6.30 to $8.22, and it now trades near the bottom of that range. Its all-time high in our data is $13.57, still 110% above the current price. The cheapest listing right now is $6.30, and the 30-day average market price is $6.36.

Printings

PrintingMarketLowHigh7d
Foil$6.45$6.30$94.77+0.8%
Normal$4.65$4.57$49.77−2.7%

The card in play

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.

Other printings of Professor Onyx

4 more · $5.23 – $36.10
All printings
Professor Onyx (Borderless) (276), Strixhaven: School of Mages — Magic card price 0.0% 7d Professor Onyx (Borderless) Strixhaven: School of Mages · #276 $36.10 Professor Onyx (83), Prerelease Cards — Magic card price +0.6% 7d Professor Onyx Prerelease Cards · #83 $17.85 Professor Onyx (83), Strixhaven: School of Mages — Magic card price +1.2% 7d Professor Onyx Strixhaven: School of Mages · #83 $7.41 Professor Onyx (153), Commander: Duskmourn: House of Horror — Magic card price +6.1% 7d Professor Onyx Commander: Duskmourn: House of Horror · #153 $5.23

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