Professor's Warning 
Instant
Appears in 913 of 19,215 decks (4.8%).
Appears with these commanders:
| Commander | Decks ↓ | Synergy |
|---|---|---|
| Shirei, Shizo's Caretaker | 178 | 0.41 |
| Tor Wauki the Younger | 101 | 0.24 |
| Wilson, Refined Grizzly + Agent of the Shadow Thieves | 63 | 0.36 |
| Kulrath Knight | 43 | 0.49 |
| Witherbloom Apprentice | 23 | 0.05 |
| Mauhúr, Uruk-hai Captain | 20 | 0.79 |
| Corpsejack Menace | 20 | 0.16 |
| Winding Constrictor | 14 | 0.19 |
| Killian, Ink Duelist | 13 | 0.0 |
| Tormented Hero | 12 | 0.52 |
| Crypt Rats | 12 | 0.09 |
| Oona's Blackguard | 10 | 0.48 |
| Unforgiving One | 10 | 0.35 |
| Mr. Orfeo, the Boulder | 10 | 0.0 |
| Ashiok's Adept | 9 | 0.43 |
| Yargle, Glutton of Urborg | 9 | 0.14 |
| Kalain, Reclusive Painter | 9 | 0.09 |
| Stormclaw Rager | 9 | 0.05 |
| Azra Oddsmaker | 9 | -0.01 |
| Conductor of Cacophony | 8 | 0.57 |
| Dalek Squadron | 8 | 0.32 |
| Taborax, Hope's Demise | 8 | 0.24 |
| Murderous Redcap | 8 | 0.05 |
| Ravenous Squirrel | 8 | 0.0 |
| Dina, Soul Steeper | 8 | -0.03 |
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