Professor Onyx Mythic Price — $14.92 | Prerelease Cards | Magic: The Gathering

Professor Onyx from Prerelease Cards is worth $14.92 as of May 24, 2026.
Professor Onyx - Prerelease Cards - Magic: The Gathering card
Card Name
Professor Onyx
Current Price
$14.92
Set
Prerelease Cards
Game
Magic: The Gathering
Rarity
Mythic
Card Number
83
Era
Modern
Type
Normal
Volatility
Stable
Last Updated
May 24, 2026

Raw & Graded Price Snapshot

Condition / GradePrice7d30dRecent Sales
Raw / Ungraded$14.920.0%0.0%N/A

Marketplace Price Comparison

SourcePriceBasisAction
Guardian Estimate$14.92Blended market valueView price history
TCGPlayer$15.79Marketplace priceCheck listings

Sources tracked: tcgplayer_market, 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.

Read the full Guardian Oracle pricing methodology.

Track, Grade, or Sell This Card

Professor Onyx is a Mythic rarity card from the Prerelease Cards set in Magic: The Gathering, designated as #83. Currently valued at $13.81, it holds significance for collectors due to its unique abilities and thematic relevance in gameplay. As a powerful character, Professor Onyx often appeals to players looking to enhance their decks, contributing to its steady market interest. Grading and sales data reflect its popularity among both competitive players and collectors alike.

Track Professor Onyx price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.

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Frequently Asked Questions

How much is Professor Onyx from Prerelease Cards worth?

Professor Onyx from Prerelease Cards is currently worth $14.92 in 2026. Prices are updated daily from multiple sources.

What is Professor Onyx Mythic worth?

The Mythic version of Professor Onyx from Prerelease Cards is worth $14.92. Mythic cards are among the most collectible pulls in the set.

How rare is Professor Onyx in Prerelease Cards?

Professor Onyx is a Mythic card from the Prerelease Cards 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 0.0% in 30 days. Current Guardian Estimate: $14.92.

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: $14.92.

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How much is Professor Onyx from Prerelease Cards worth?

Professor Onyx from Prerelease Cards is currently worth $14.92 in 2026. Prices are updated daily from multiple sources.

What is Professor Onyx Mythic worth?

The Mythic version of Professor Onyx from Prerelease Cards is worth $14.92. Mythic cards are among the most collectible pulls in the set.

How rare is Professor Onyx in Prerelease Cards?

Professor Onyx is a Mythic card from the Prerelease Cards 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 0.0% in 30 days. Current Guardian Estimate: $14.92.

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: $14.92.