Professor Onyx Strixhaven: School of Mages #276 (Foil)
Professor Onyx is a Mythic Magic: The Gathering card from Strixhaven: School of Mages (#276), illustrated by Kieran Yanner. Its current blended market value is $36.35 ungraded. Prices update from real market data.
We don't have a graded price for this card yet — there aren't enough verified graded sales to publish one we'd trust. A grade only appears here once enough real sold results back it. See the raw (ungraded) estimate above in the meantime.
What this price is based on
Low confidenceOnly 1 sale in the last 90 days.
Recent Raw sales
- Aug 2, 2026eBay — Professor Onyx (Borderless) NM Foil M Strixhaven: School of Mages 276NM$38.71
- May 15, 2026eBay — Wizards of the Coast MTG Professor Onyx 276 Strixhaven Mythic Foil Borderless$10.22
From 2 completed sales recorded between May 15, 2026 and Aug 2, 2026. Sold prices only — asking prices are never counted.
Grade it or not
Not enough graded evidence yet — 0 graded sales recorded.
✨ Is it worth it?
An AI market read of this card — value, momentum, grading economics, liquidity. It lays out the data; you decide.
Price history · raw near-mint
Card details
- Number
- #276
- Rarity
- Mythic
- Illustrator
- Kieran Yanner
- Colour
- Black
More from Strixhaven: School of Mages
Where to buy & check prices
Frequently asked questions
How much is Professor Onyx worth?
Professor Onyx (Strixhaven: School of Mages #276) is worth around $36.35 ungraded, based on live Magic: The Gathering market data.
Where can I buy Professor Onyx?
You can buy Professor Onyx on TCGplayer, Cardmarket and eBay — see the live listings on this page. Always compare against the blended market value first.
What rarity is Professor Onyx?
Professor Onyx is a Mythic Magic: The Gathering card from the Strixhaven: School of Mages set, illustrated by Kieran Yanner.
Cite & embed this card
Free to use with attribution to CardTrack.
Professor Onyx (Strixhaven: School of Mages #276) — Magic: The Gathering market value $36.35. Source: CardTrack, https://cardtrack.com/magic/card/strixhaven-school-of-mages/professor-onyx-276<iframe src="https://cardtrack.com/embed/card?id=STX-276" width="100%" height="160" style="border:0;max-width:460px" title="Professor Onyx price — CardTrack" loading="lazy"></iframe>
<p style="font:12px system-ui">Source: <a href="https://cardtrack.com">CardTrack</a></p>