STX #84
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Professor's Warning
Instant
TCGplayer market · STX #84 nonfoil
$0.35 +6.1% +$0.02, 7 days
- 1-year range
- 30 days
- +16.7%
- EDHREC rank
- #8,837 Down 7 in 30 days
- Best buylist
Buy STX #84 nonfoil
TCGplayer, $0.35 (opens in a new tab) Card Kingdom, (opens in a new tab) Mana Pool, (opens in a new tab) eBay, Check price (opens in a new tab)
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Professor's Warning Price Summary
The benchmark price (cheapest playable nonfoil) is $0.35, up 6.1% over 7 days, up 16.7% over 30 days, up 29.6% over 90 days.
Professor's Warning Price History
Markets TCGplayer marketreference
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Reprints in this period
Professor's Warning price history chart, default range 3 months. currently $0.35.
Where to Buy and Sell Professor's Warning
Every market we track for STX #84 nonfoil on one line. The gray band is what you give up selling to a store instead of buying at market.
Professor's Warning in Sealed Products
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Professor's Warning Printings & Prices
Professor's Warning has 1 tracked printing across 1 sets, in nonfoil and foil finishes.
Sell Professor's Warning: Buylist Offers
| Buyer | Printing | Finish | Cash offer | Market | Spread to market |
|---|---|---|---|---|---|
| Card Kingdom | STX #84 | Foil | |||
| Card Kingdom | STX #84 | Nonfoil |
Professor's Warning Rules Text & Legality
Professor's Warning
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.)
Professor Onyx urged the twins to prepare for the dark mage Extus, sounding very much like someone familiar with the rise of tyrants.
Professor's Warning is legal in Pioneer, Modern, Legacy, Commander and Pauper, and not legal in Standard.
- BrawlLegal
- CommanderLegal
- Competitive BrawlLegal
- Duel CommanderLegal
- GladiatorLegal
- HistoricLegal
- LegacyLegal
- ModernLegal
- OathbreakerLegal
- PauperLegal
- Pauper CommanderLegal
- PioneerLegal
- TimelessLegal
- VintageLegal
- AlchemyNot legal
- Future StandardNot legal
- Old SchoolNot legal
- Penny DreadfulNot legal
- PreDHNot legal
- PremodernNot legal
- StandardNot legal
- Standard BrawlNot legal
Reprints & Reprint Risk
Professor's Warning has been reprinted 2 times.
- Apr 23, 2021Strixhaven: School of MagesSTX #84
- Apr 23, 2021Strixhaven: School of Mages · foilSTX #84
Professor's Warning in Commander
Professor's Warning is the #8,837 most-played card on EDHREC, down 7 places over the last 30 days.
#8,837
EDHREC rank
across all Commander decks Down 7 in 30 days
across all Commander decks Down 7 in 30 days
Professor's Warning FAQ
How much is Professor's Warning worth?
Professor's Warning is worth about $0.35 for its cheapest playable printing as of Nov 10, 2026.
Is Professor's Warning legal in Commander?
Yes. Professor's Warning is legal in Commander. It is also legal in Pioneer, Modern, Legacy and Pauper.
Has Professor's Warning been reprinted?
Yes. Professor's Warning has been reprinted 2 times, with 1 printings tracked on The Index.
Why is Professor's Warning cheap?
Professor's Warning trades at about $0.35; 2 reprints keep supply plentiful, and Commander demand is modest (#8,837 on EDHREC).