Professor Onyx sold prices & eBay comps · Price chart
- Card Name
- Professor Onyx
- Current Price
- $5.17
- Price Range
- $4.76 – $5.58
- Set
- Promo Pack: Strixhaven
- Game
- Magic: The Gathering
- Rarity
- Mythic
- Card Number
- 83
- Era
- Modern
- Type
- normal
- Volatility
- Moderate
- Last Updated
- July 18, 2026
| Period | Change |
|---|---|
| 24h | -37.8% |
| 7d | -0.2% |
| 30d | -0.8% |
Raw & Graded Price Snapshot
| Condition / Grade | Price | 7d | 30d | Recent Sales |
|---|---|---|---|---|
| Raw / Ungraded | $5.17 | -0.2% | -0.8% | N/A |
Marketplace Price Comparison
| Source | Price | Basis | Action |
|---|---|---|---|
| Guardian Estimate | $5.17 | Blended market value | View price history |
Sources tracked: justtcg.
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.
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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 — $14.41
Baleful Mastery — $13.23
Beledros Witherbloom — $7.94
Beledros Witherbloom — $7.94
Archmage Emeritus — $5.63- Archmage Emeritus — $5.63
Professor Onyx — $5.18
Fracture — $4.96
Nicol Bolas, God-Pharaoh — $4.84- Nicol Bolas, God-Pharaoh — $4.82
Professor Onyx in Other Sets
Professor Onyx (Prerelease Cards) — $17.23- Professor Onyx (Magic Strixhaven School of Mages) — $7.97
Professor Onyx (Strixhaven: School of Mages) — $7.15
Professor Onyx (Commander: Duskmourn: House of Horror) — $5.23- Professor Onyx (Promo Pack: Strixhaven) — $5.18
- 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 $5.17:
- Bristlebud Farmer (Showcase) (Outlaws of Thunder Junction: The Big Score) — $5.17
- Go for the Throat (Standard Showdown Promos) — $5.17
- Vela the Night-Clad (Magic Commanders Arsenal) — $5.17
- Jin-Gitaxias, Core Augur (Phyrexian) (Secret Lair Drop Series) — $5.17
- Rise of the Dark Realms (Magic Jumpstart) — $5.17
- Uril, the Miststalker (Rainbow Foil) (Secret Lair Drop Series) — $5.17
- Oppression (Magic Urzas Saga) — $5.17
- Be'lakor, the Dark Master (Magic Warhammer 40,000) — $5.17
Related Pages
- Professor Onyx Price Chart & History
- Professor Onyx Sold Prices & eBay Comps
- 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
- Mythic Magic: The Gathering Cards
- Most Expensive Magic: The Gathering Cards
- Best Cards Under $5
- 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 $5.17 in 2026. The price has changed -0.2% over the last 7 days. 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 $5.17. 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 0.2% in the last 7 days and decreased 0.8% in 30 days. Current Guardian Estimate: $5.17.
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: $5.17.
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How much is Professor Onyx from Promo Pack: Strixhaven worth?
Professor Onyx from Promo Pack: Strixhaven is currently worth $5.17 in 2026. The price has changed -0.2% over the last 7 days. 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 $5.17. 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 0.2% in the last 7 days and decreased 0.8% in 30 days. Current Guardian Estimate: $5.17.
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: $5.17.