Legal in Modern, Legacy, Vintage, Commander.
About This Card
Professor Onyx is a mythic legendary planeswalker from Strixhaven: School of Mages Promos. Currently $5.16 ($6.31 foil).
Released April 2021 as part of Strixhaven: School of Mages Promos (promotional release). Click through to Strixhaven: School of Mages Promos for the full set's price index, top movers, and sealed-product EV.
Legal in Modern, Pioneer, Legacy, Vintage, Commander — cross-format demand provides multiple price support levels.
Foil and nonfoil at near-parity ($5.16 vs $6.31) — typical of cards with primarily competitive demand.
Frequently Asked Questions
Is Professor Onyx a good MTG investment?
Professor Onyx is a mythic from Strixhaven: School of Mages Promos currently at $5.16. Legal in Modern, Pioneer, Legacy, Vintage, Commander. Check the SpellBook Score and reprint risk analysis on this page for a complete investment picture.
What is the price of Professor Onyx?
Professor Onyx from Strixhaven: School of Mages Promos is currently $5.16 for nonfoil and $6.31 for foil. SpellBook Finance tracks daily prices from TCGPlayer, Card Kingdom, eBay, and EU marketplaces — compare all sources on this page.
What is Professor Onyx's mana cost?
Professor Onyx's mana cost (casting cost) is 4BB ({4}{B}{B}). See Professor Onyx's full card text, color identity, format legality, and live prices on this page.
Should I buy Professor Onyx?
At $5.16, Professor Onyx is a mythic with Legal in Modern, Pioneer, Legacy, Vintage, Commander.. Review the price history chart, supply signals, and reprint risk analysis on this page to make an informed decision.
Which buylist pays the most for Professor Onyx?
SpellBook compares Card Kingdom, CoolStuffInc, Star City Games, ABU Games, TCGPlayer, Manapool, and eBay. The Where to Sell section of this page surfaces today's highest net payout after fees and shipping, along with store credit bonuses when you want to trade up.
Is Professor Onyx good in Commander (EDH)?
Professor Onyx is ranked #2361 on EDHREC, making it a commonly played Commander card. Legal in Modern, Pioneer, Legacy, Vintage, Commander. See its price history and reprint risk on this page.
What formats is Professor Onyx legal in?
Professor Onyx is tournament-legal in Modern, Pioneer, Legacy, Vintage, Commander. Full format legality, price history, and reprint risk are on this page.
Is Professor Onyx going up or down?
At $5.16, daily moves for Professor Onyx are tracked across TCGPlayer market, Card Kingdom, and eBay completed sales. Its foil carries a 1.2x premium at $6.31, a separate signal worth watching. Scroll up for the multi-source chart on this mythic legendary planeswalker; direction matters more than yesterday's spot.
Is Professor Onyx worth buying?
Professor Onyx is currently priced at $5.16. Use the chart, recent sale comps, and SpellBook Score on this page to judge whether today's ask is a reasonable entry; fees and shipping can shift real cost 10 to 15%.
Professor Onyx reprint risk
Professor Onyx can be reprinted in any future Standard, Modern, Commander, or Masters product. Watch for upcoming set spoilers and EDH precon announcements; the SpellBook reprint risk score on this page weighs print history, set type, and competitive demand to flag the cards most exposed.
Professor Onyx price history
SpellBook has tracked Professor Onyx since its 2021 release in Strixhaven: School of Mages Promos across TCGPlayer, Card Kingdom, eBay completed sales, Cardmarket, and 13 other sources. It currently sits at #2361 on EDHREC, which shapes its long-run demand. The full multi-year chart and recent sale comps live above this section.