Professor's Warning
Instant · Common
Professor's Warning is currently worth about $0.33 for its most affordable printing, tracked daily across Scryfall, TCGplayer, and Card Kingdom. 1 collector on RareWell holds 2 copies.
Choose one — • 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.)
Format legality
Card facts
- Mana value
- 1
- Color identity
- B
- Type line
- Instant
- Rarity
- Common
- First printed
- 2021
- Artist
- Kieran Yanner
Playability
#8743 most-played card on EDHREC — Commonly played
Popularity data from EDHREC
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Prices by printing
Latest tracked estimates. Updated daily.
| Set | No. | Rarity | Nonfoil | Foil |
|---|---|---|---|---|
| Strixhaven: School of Mages | 84 | Common | $0.33 | $0.31 |
Price intelligence
Strixhaven: School of Mages #84 — every source we track. The spread between retailers is where the deals live.
All sources
| Source | foil | nonfoil | As of |
|---|---|---|---|
| Scryfall estimate | $0.31 | $0.33 | 2026-07-28 |
Price trend · 90 days
nonfoilfoil
$0.23 – $0.33 · Scryfall estimate
Collectors with this card
Public collections holding Professor's Warning. Sellers first — click through to their page to see it and message them.
Similar cards on RareWell
Frequently asked
How much is Professor's Warning worth?
Professor's Warning is currently worth about $0.33 for its most affordable printing, based on live market estimates tracked daily on RareWell. Copies range from $0.31 to $0.33 across printings and finishes.
Which sets was Professor's Warning printed in?
Professor's Warning has been printed in 1 set, including Strixhaven: School of Mages.
Can I buy Professor's Warning on RareWell?
No copies of Professor's Warning are listed right now, but collectors list cards daily — and if you own one, you can list it for sale or trade in minutes, free.
Is Professor's Warning legal in Commander?
Yes — Professor's Warning is legal in Commander (EDH).
Is Professor's Warning legal in Modern?
Yes — Professor's Warning is legal in Modern.
Is Professor's Warning on the Reserved List?
No — Professor's Warning is not on the Reserved List.
Printed in: Strixhaven: School of Mages
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