Professor Onyx (Strixhaven: School of Mages) — MTG Card Value
Strixhaven: School of MagesWhat the Professor Onyx from Strixhaven: School of Mages is worth — market price for the single.
Professor Onyx (Strixhaven: School of Mages) value — Market $12.13 · Foil $35.97. Prices updated September 2026.
Live on eBay right now
Which version do you have?
If your goal is simply to own Professor Onyx, purchase the Standard version for $7. The $12 Standard version offers no tangible upgrade in playability or scarcity; it is simply a different print run. Collectors seeking the perceived value or specific aesthetic of the higher-priced version should pay the premium. Casual players focused on budget should stick to the $7 option.
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Price data verified against · 1
Item details
- Brand
- Mythic
- Set
- Strixhaven: School of Mages
- Rarity
- Mythic
- Number
- #276
Professor Onyx (Strixhaven: School of Mages) value
The Professor Onyx from Strixhaven: School of Mages (#276) has a market price of $12.13, with the foil at $35.97.
What drives the price
For Magic singles, set, rarity, condition (NM vs played), and playability/format demand drive value. First printings, foils, and cards that see competitive or Commander play hold value best; reprints soften prices.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Market | $12.13 | eBay sold comps |
| Foil | $35.97 | eBay sold comps |
Frequently asked questions
- What is the current market value for Professor Onyx?
- The non-foil version of Professor Onyx is currently valued at $13.28, and the foil version is listed at $32.52.
- Is this card rare?
- Yes, Professor Onyx is a Mythic rarity card from the Strixhaven: School of Mages set.
- Where can I find Professor Onyx?
- You can find this card, number #276, on our resale marketplace.
![Professor Onyx [Extended Art] #276](/api/images/junkpal-products/cards/professor-onyx-extended-art-276-magic-strixhaven-school-of-mages-card/img0/thumb.webp)
![Professor Onyx [Foil] #83](/api/images/junkpal-products/cards/professor-onyx-foil-83-magic-strixhaven-school-of-mages-card/img0/thumb.webp)
![Professor Onyx [Extended Art Foil] #276](/api/images/junkpal-products/cards/professor-onyx-extended-art-foil-276-magic-strixhaven-school-of-mages-card/img0/thumb.webp)