Professor's Warning 
Instant
Appears in 1,230 of 25,658 decks (4.8%).
Appears with these commanders:
| Commander | Decks | Synergy ↓ |
|---|---|---|
| Uncle Istvan | 1 | None |
| Knights of the Black Rose | 1 | None |
| Rix Maadi Guildmage | 1 | None |
| Wight of Precinct Six | 1 | None |
| Voracious Hatchling | 1 | None |
| Green Goblin, Revenant | 1 | None |
| Will-o'-the-Wisp | 2 | 0.95 |
| Vampire of the Dire Moon | 2 | 0.95 |
| Tonberry | 2 | 0.95 |
| Demon Wall | 2 | 0.95 |
| Restless Apparition | 1 | 0.95 |
| The Wretched | 1 | 0.95 |
| Sly Spy | 1 | 0.95 |
| Jumbo Imp | 1 | 0.95 |
| Muck Drubb | 1 | 0.95 |
| Etherium Pteramander | 1 | 0.95 |
| Reaper of Sheoldred | 1 | 0.95 |
| Yawgmoth Demon | 1 | 0.95 |
| Safana, Calimport Cutthroat + Veteran Soldier | 1 | 0.95 |
| Yathan Tombguard | 5 | 0.75 |
| Mauhúr, Uruk-hai Captain | 24 | 0.72 |
| Tenured Inkcaster | 3 | 0.7 |
| Flesh-Eater Imp | 4 | 0.62 |
| Nadier, Agent of the Duskenel + Tormod, the Desecrator | 2 | 0.62 |
| Tormented Hero | 16 | 0.57 |
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