Professor's Warning {B}

Instant

🏷️ Instant-speed enabler

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.)

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Featured print

Strixhaven: School of Mages

English · 2021-04-23

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Prices synced Jul 9, 2026 · 103,391 products cached

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Legality snapshot

standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL

💡 Not Standard legal because this card is from Strixhaven: School of Mages (released 2021-04-23), which has rotated out of Standard.

🛡️ Data Provenance & Integrity

Oracle source: Scryfall / Wizards
Oracle updated: July 6, 2026
Legality source: Scryfall
Legality checked: July 6, 2026
Price source: tcgcsv / TCGplayer
Price synced: Jul 9, 2026
Scryfall ID: 862fded6-e474-4b20-86d8-fd9af5f25b1a
Oracle ID: e3c8e552-d315-486d-a176-813b3a300174
TCGplayer ID: 235970

Prints & prices

Prices last synced Jul 9, 2026

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