Professor's Warning 
Instant
Oracle text (EN)
Instant
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.)
Printing details
- Set
- STX · 84
- Rarity
- Common
- Language
- EN
- Artist
- Kieran Yanner
- Released
- 2021-04-23
- Prices
- €0.10 · $0.32
Price history
The trend shows with at least 7 days of history.
- Cardmarket, trend
- CardTrader, Near Mint minimum (EN)
The history starts on October 28, 2026 and grows every day.
Show the data
| Date | Cardmarket, trend | CardTrader, Near Mint minimum (EN) |
|---|---|---|
| November 1, 2026 | €0.09 | €0.11 |
| October 29, 2026 | €0.10 | €0.11 |
| October 28, 2026 | €0.12 | €0.11 |
Prices
| Source | Non-foil | Foil |
|---|---|---|
| Cardmarket | low €0.02 trend €0.09 30-day avg €0.14 | low €0.02 trend €0.06 30-day avg €0.20 |
| CardTrader (EN) | NM from €0.11 with Zero from €0.13 | NM from €0.14 with Zero from €0.14 |
| CardTrader (any language) | NM from €0.11 | NM from €0.14 |
Cardmarket updated Nov 1, 2026 · CardTrader updated Nov 1, 2026
Buy and look up
Legality
- standard Not legal
- pioneer Legal
- modern Legal
- legacy Legal
- vintage Legal
- commander Legal
- pauper Legal
- alchemy Not legal
- brawl Legal
- competitivebrawl Legal
- duel Legal
- future Not legal
- gladiator Legal
- historic Legal
- oathbreaker Legal
- oldschool Not legal
- paupercommander Legal
- penny Not legal
- predh Not legal
- premodern Not legal
- standardbrawl Not legal
- timeless Legal
- tlr Legal
Rulings
No rulings for this card.