■Card Description
| Name | Professor's Warning |
| Color | Black |
| Cost | (B) |
| Cardtype | Instant |
| Subtype | |
| Rarity | Common |
| Oracle |
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.) |
| Flavor Text | Professor Onyx urged the twins to prepare for the dark mage Extus, sounding very much like someone familiar with the rise of tyrants. |
| Expansion | Strixhaven: School of Mages |
| Illustrator | Kieran Yanner |
| Legality | Legacy,Vintage,Commander,Modern,Pioneer,Pauper,Historic |
Display Order :
Price Descending ・
Price Ascending
Recommended items for you
Decks that include this card
■Pioneer
Rakdos Prowess
- Player : _Tia93_
- Tournament : Pioneer Challenge 64 - 2024/10/25
- Score : 1st Place
- Participants : 66
- Date : 2024/10/25
Rakdos Prowess
- Player : _Tia93_
- Tournament : Pioneer Challenge 32 - 2024/10/24 #2
- Score : 2nd Place
- Participants : 58
- Date : 2024/10/24
Rakdos Prowess
- Player : Nakashima Ryo
- Tournament : Hareruya Osu 3th special Pioneer Cup Deluxe
- Score : Champion
- Participants : 12
- Date : 2024/09/15
■Modern
Not applicable
■Legacy
Not applicable
■Vintage
Not applicable
■Commander
Black Waltz No. 3
- Player : Harashima Wataru
- Tournament : Omiya Weekday Commander Bracket 2 - 2026/05/10
- Score : 勝利
- Participants : 4
- Date : 2026/05/10
Zenos yae Galvus
- Player : Yoshizawa Takahiro
- Tournament : Commander Bracket 3 - 2025/9/7
- Score :
- Participants : 24
- Date : 2025/09/07
■Pauper
Not applicable
■Historic
Not applicable