Professor's Warning #84
Professor Onyx urged the twins to prepare for the dark mage Extus, sounding very much like someone familar with the rise of tyrants.
Market prices
$0.33 market +3.1% 7d
| Printing | Low | Market | Median |
|---|---|---|---|
| Foil | - | $0.27 | $0.29 |
| Normal | $0.01 | $0.33 | $0.33 |
Price history
+$0.00 (0.0%) over 14 days · High $0.34 · Low $0.31
Daily prices (14 days)
| Day | Market | Low | Median |
|---|---|---|---|
| 2026-09-17 | $0.33 | $0.01 | $0.33 |
| 2026-09-16 | $0.33 | $0.01 | $0.33 |
| 2026-09-15 | $0.33 | $0.01 | $0.33 |
| 2026-09-14 | $0.33 | $0.01 | $0.33 |
| 2026-09-13 | $0.34 | $0.01 | $0.33 |
| 2026-09-12 | $0.33 | $0.01 | $0.32 |
| 2026-09-11 | $0.32 | $0.01 | $0.32 |
| 2026-09-10 | $0.32 | $0.01 | $0.31 |
| 2026-09-09 | $0.31 | $0.01 | $0.31 |
| 2026-09-08 | $0.31 | $0.01 | $0.31 |
| 2026-09-07 | $0.31 | $0.01 | $0.31 |
| 2026-09-06 | $0.32 | $0.01 | $0.32 |
| 2026-09-05 | $0.32 | $0.01 | $0.32 |
| 2026-09-04 | $0.33 | $0.01 | $0.33 |
Details
- Type
- Instant
- Mana value
- 1
- Colour
- Black
- Rules 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.)
- Flavour
- Professor Onyx urged the twins to prepare for the dark mage Extus, sounding very much like someone familar with the rise of tyrants.
- Set
- Strixhaven: School of Mages, released 2021-04-23
- Card ID
- 86846
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