- Card Name
- Professor Onyx
- Current Price
- $7.86
- Price Range
- $3.86 – $6.53
- Set
- Promo Pack: Strixhaven
- Game
- Magic: The Gathering
- Rarity
- Mythic
- Card Number
- 83
- Era
- Modern
- Artist
- Kieran Yanner
- Type
- Normal
- Volatility
- Extreme
- Last Updated
- May 13, 2026
| Period | Change |
|---|---|
| 30d | -5.4% |
Raw & Graded Price Snapshot
| Condition / Grade | Price | 7d | 30d | Recent Sales |
|---|---|---|---|---|
| Raw / Ungraded | $7.86 | 0.0% | -5.4% | N/A |
Marketplace Price Comparison
| Source | Price | Basis | Action |
|---|---|---|---|
| Guardian Estimate | $7.86 | Blended market value | View price history |
| TCGPlayer | $5.19 | Marketplace price | Check listings |
Sources tracked: tcgplayer_market.
How Guardian Calculates This Price
Guardian combines marketplace prices, recent sold listings, graded-card estimates, and cross-market checks into one daily card value. We separate raw and graded prices where data is available, ignore obvious outliers, and update card pages as new market data arrives.
Track, Grade, or Sell This Card
- Add this card to your collection to track value over time.
- Check grading ROI before submitting to PSA, BGS, or CGC.
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Track Professor Onyx price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.
More Cards from Promo Pack: Strixhaven
Crackle with Power — $16.82
Baleful Mastery — $13.23- Baleful Mastery — $11.39
Archmage Emeritus — $10.00
Beledros Witherbloom — $9.00
Professor Onyx — $8.31
Beledros Witherbloom — $7.05- Archmage Emeritus — $6.99
Blade Historian — $6.01
Kasmina, Enigma Sage — $5.96
Professor Onyx in Other Sets
Professor Onyx (Prerelease Cards) — $14.92
Professor Onyx (Strixhaven: School of Mages) — $11.99- Professor Onyx (Promo Pack: Strixhaven) — $8.31
- Professor Onyx (Magic Strixhaven School of Mages) — $7.97
Professor Onyx (Commander: Duskmourn: House of Horror) — $3.25- Professor Onyx (Magic Duskmourn: House of Horror Commander) — $2.99
Professor Onyx (Duskmourn: House of Horror Commander) — $2.60
Cards in Similar Price Range
Magic: The Gathering cards priced near $7.86:
- Gilded Lotus (Magic From the Vault Twenty) — $7.86
- Demonic Collusion [Foil] (Magic Time Spiral) — $7.86
- Yukora, the Prisoner [Foil] (Magic Betrayers of Kamigawa) — $7.86
- Ajani, Wise Counselor (Magic Core Set 2019) — $7.86
- Cloudchaser Eagle [Foil] (Magic 7th Edition) — $7.86
- Fyndhorn Elves [Extended Art Foil] (Magic Commander Legends) — $7.86
- Spiders-Man, Heroic Horde [Gold Signature] (Magic Marvel Spider-Man Art Series) — $7.86
- Brash Taunter (Secret Lair Drop) — $7.86
Related Pages
- Professor Onyx Price Chart & History
- Cards Similar to Professor Onyx
- Professor Onyx Investment Analysis
- Professor Onyx Condition Prices (LP/MP/HP)
- Promo Pack: Strixhaven Set Price Guide
- Magic: The Gathering Hub
- Magic: The Gathering Price Guide
- Cards by Kieran Yanner
- Mythic Magic: The Gathering Cards
- Most Expensive Magic: The Gathering Cards
- Best Cards Under $10
- Magic: The Gathering Market Movers Today
- Scan Your Cards
- AI Card Grading
- Grading ROI Calculator
- Card Value Checker
- Where to Sell Magic: The Gathering Cards
Frequently Asked Questions
How much is Professor Onyx from Promo Pack: Strixhaven worth?
Professor Onyx from Promo Pack: Strixhaven is currently worth $7.86 in 2026. Prices are updated daily from multiple sources.
What is Professor Onyx Mythic worth?
The Mythic version of Professor Onyx from Promo Pack: Strixhaven is worth $7.86. Mythic cards are among the most collectible pulls in the set.
How rare is Professor Onyx in Promo Pack: Strixhaven?
Professor Onyx is a Mythic card from the Promo Pack: Strixhaven set in Magic: The Gathering.
Is Professor Onyx going up in value?
Professor Onyx has decreased 0.0% in the last 7 days and decreased 5.4% in 30 days. Current Guardian Estimate: $7.86.
Where can I buy Professor Onyx?
You can compare prices and buy Professor Onyx on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $7.86.
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How much is Professor Onyx from Promo Pack: Strixhaven worth?
Professor Onyx from Promo Pack: Strixhaven is currently worth $7.86 in 2026. Prices are updated daily from multiple sources.
What is Professor Onyx Mythic worth?
The Mythic version of Professor Onyx from Promo Pack: Strixhaven is worth $7.86. Mythic cards are among the most collectible pulls in the set.
How rare is Professor Onyx in Promo Pack: Strixhaven?
Professor Onyx is a Mythic card from the Promo Pack: Strixhaven set in Magic: The Gathering.
Is Professor Onyx going up in value?
Professor Onyx has decreased 0.0% in the last 7 days and decreased 5.4% in 30 days. Current Guardian Estimate: $7.86.
Where can I buy Professor Onyx?
You can compare prices and buy Professor Onyx on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $7.86.