Magic: The Gathering trading card price guide
Professor Onyx 83
Strixhaven: School of Mages · Mythic
Card Intelligence
Market activity snapshot
Last 90 days ·
- Catalog-matched online sales observed
- 144 — 90-day observation window
- Liquidity
- High — Consistent recent sale activity
- DeckTradr popularity
- Low — Based on aggregated DeckTradr engagement
- Data confidence
- Medium — Based on signal coverage and freshness
Accelerating — Compared with the previous 30-day period
DeckTradr combines privacy-qualified in-person POS activity, catalog-matched online sale observations, and aggregated first-party engagement signals. Counts represent activity available to DeckTradr, not every action or sale across the market.
Card facts
Magic: The Gathering · trading card
Professor Onyx 83 is cataloged as a trading card from Strixhaven: School of Mages for Magic: The Gathering.
The catalog identifies this item with collector number 83, rarity listed as Mythic, Normal printing.
Available catalog metadata records art credited to Kieran Yakklr and a release date of April 23, 2021.
Catalog facts
- Game
- Magic: The Gathering
- Set
- Strixhaven: School of Mages
- Collector number
- 83
- Rarity
- Mythic
- Artist
- Kieran Yakklr
- Release date
- April 23, 2021
- Printing
- Normal
- Card type
- Legendary, Planeswalker
Gameplay facts
- Flavor text
- Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life. ; +1: You lose 1 life, Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard. ; -3: Each opponent sacrifices a creature with the greatest power among creatures that player controls. ; -8 Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.