Professor's Warning
BInstant
Strixhaven: School of Mages
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Card text
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.)
• 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.
Details
- Set
- Strixhaven: School of Mages (STX)
- Number
- #84
- Rarity
- Common
- Mana cost
- B
- Artist
- Kieran Yanner
Legality
Alchemy
Not legal
Brawl
Legal
Commander
Legal
Competitive brawl
Legal
Duel
Legal
Explorer
Legal
Future
Not legal
Gladiator
Legal
Historic
Legal
Legacy
Legal
Modern
Legal
Oathbreaker
Legal
Old school
Not legal
Pauper
Legal
Pauper commander
Legal
Penny
Not legal
Pioneer
Legal
PreDH
Not legal
Premodern
Not legal
Standard
Not legal
Standard brawl
Not legal
Timeless
Legal
TLR
Legal
Vintage
Legal
Prices
CardMarket guide
As of 13/10/2026
| Low | Avg | Trend | 7-day avg | 30-day avg |
|---|---|---|---|---|
| €0,02 | €0,12 | €0,23 | €0,12 | €0,12 |
Detailed offers
As of 14/10/2026
| Condition | Country | Language | Low | Avg | Offers |
|---|---|---|---|---|---|
| No price data yet. | |||||