Professor's Warning (Strixhaven: School of Mages #84, Common) No sellers have listed it yet. Our price today is $0.34, updated 2026-09-30.
Professor's Warning
Released · Illustrated by Kieran Yanner
- Draft Boosters
- Japanese Draft Boosters
- Set Boosters
- Japanese Set Boosters
- Theme Boosters
- Prerelease Packs
Professor Onyx urged the twins to prepare for the dark mage Extus, sounding very much like someone familiar with the rise of tyrants.
What is this worth
Non-foil
- Retail Card Kingdom $0.35 as of 2026-09-29
- Retail Cardmarket $0.15 as of 2026-09-30
- Retail Mana Pool $0.15 as of 2026-09-29
- Retail TCGplayer $0.34 as of 2026-09-30
- Buylist Card Kingdom $0.01 as of 2026-09-23
Traditional foil
- Retail Card Kingdom $0.49 as of 2026-09-29
- Retail Cardmarket $0.25 as of 2026-09-30
- Retail Mana Pool $0.15 as of 2026-09-29
- Retail TCGplayer $0.27 as of 2026-09-30
A free account watches this card for you and tells you when the price moves.
- Up to 10 sets, 10 decks and 5 binders
- 100 card scans a day
- Up to 15 price alerts
- 90 days of value history
- 5 imports a day
- A trade list of 1,000 cards
- 30 contact requests a month
- Trade alerts
A watched card never leaves the plane unnoticed.
Price history
Foil
Daily retail prices from 11 Sep 2026 to 30 Sep 2026, one point per day we recorded one.
Non-foil
Daily retail prices from 11 Sep 2026 to 30 Sep 2026, one point per day we recorded one.
Oracle text
• Put a +1/+1 counter on target creature.
• Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
Legalities
Legal Not legal
Identifiers and data
- Scryfall id
- 862fded6-e474-4b20-86d8-fd9af5f25b1a
- Oracle id
- e3c8e552-d315-486d-a176-813b3a300174
- Illustration id
- 362931e7-9128-499e-a44a-f1f853c74991
- Card back id
- 0aeebaf5-8c7d-4636-9e82-8c27447861f7
- Multiverse ids
- 513561
- MTGO id
- 88645
- Arena id
- 76477
- TCGplayer id
- 235970
- Cardmarket id
- 558022
- MTGJSON uuid
- 516cf4a7-cf2c-54cc-96ae-a68889b8c0f8
- Card Kingdom id
- 244484
- Cardsphere id
- 75961
- Set code
- STX
- Collector number
- 84
- Layout
- normal
- Frame
- 2015
- Border
- black
- Booster
- Yes
- Games
- arena, paper, mtgo
- Story spotlight
- Yes
- Reserved list
- No
- EDHREC rank
- 8806
- Penny rank
- 11499
- Preview source
- Wizards of the Coast
- Preview date
- 2021-04-02
