Professor Onyx
Planeswalker Stamp
Strixhaven: School of Mages
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Planeswalker Stamp
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Tabletop
$ 7.02
![Professor Onyx <planeswalker stamp> [STX]](https://cdn1.mtggoldfish.com/images/gf/Professor%2BOnyx%2B%253Cplaneswalker%2Bstamp%253E%2B%255BSTX%255D.jpg)
Tabletop
$ 7.02
Professor Onyx
Planeswalker Stamp
Strixhaven: School of Mages
Professor Onyx
Legendary Planeswalker — Liliana
Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life.
+1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.
−3: Each opponent sacrifices a creature with the greatest power among creatures that player controls.
−8: Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.
Mythic
5
#83 Illustrated by Kieran Yanner
| Standard | Not Legal |
| Alchemy | Not Legal |
| Historic | Legal |
| Pioneer | Legal |
| Explorer | Legal |
| Modern | Legal |
| Legacy | Legal |
| Vintage | Legal |
| Commander | Legal |
| Brawl | Not Legal |
| Historic Brawl | Legal |
| Duel Commander | Legal |
| Commander 1v1 | Legal |
| Penny Dreadful | Not Legal |
| Pauper | Not Legal |
Card Kingdom
eBay - Buy It Now
Decks Using Professor Onyx
| 9 | K'rrik, Son of Yawgmoth | Commander | $ 899 |
| 9 | Tergrid, God of Fright | Commander | $ 1,013 |
| 4 | Kess, Dissident Mage | Commander | $ 1,750 |
| 4 | Aclazotz, Deepest Betrayal | Commander | $ 354 |
| 4 | Lord of the Nazgul | Commander | $ 621 |
| 3 | Zevlor, Elturel Exile | Commander | $ 603 |
| 2 | Tinybones, Trinket Thief | Commander | $ 948 |
| 2 | Aminatou, the Fateshifter | Commander | $ 864 |
| 2 | Rowan, Scion of War | Commander | $ 737 |
| 2 | Grima, Saruman's Footman | Commander | $ 714 |
All Printings
| Strixhaven: School of Mages Planeswalker Stamp Foil | $ 8.98 | - | |
| Strixhaven: School of Mages Prerelease Foil | $ 13 | - | |
| Strixhaven: School of Mages Borderless Foil | $ 19 | - | |
| Strixhaven: School of Mages Foil | $ 8.25 | 5.87 tix | |
| Strixhaven: School of Mages Planeswalker Stamp | $ 7.02 | - | |
| Strixhaven: School of Mages Borderless | $ 7.79 | - | |
| Strixhaven: School of Mages Cheapest Cheapest Newest | $ 6.93 | 0.33 tix | |
| Promo: Magic Online 58 | - | 1.31 tix |
