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Professor Onyx
Planeswalker Stamp
Strixhaven: School of Mages
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Planeswalker Stamp
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Tabletop
$ 7.47
![Professor Onyx <planeswalker stamp> [STX]](https://cdn1.mtggoldfish.com/images/gf/Professor%2BOnyx%2B%253Cplaneswalker%2Bstamp%253E%2B%255BSTX%255D.jpg)
Tabletop
$ 7.47
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 |
| Explorer | Legal |
| Timeless | Legal |
| Pioneer | Legal |
| Modern | Legal |
| Legacy | Legal |
| Vintage | Legal |
| Commander | Legal |
| Brawl | Legal |
| Duel Commander | Legal |
| Commander 1v1 | Legal |
| Penny Dreadful | Not Legal |
| Pauper | Not Legal |
Card Kingdom
TCGplayer Mid
Price History
Decks Using Professor Onyx
| 5 | Braids, Cabal Minion | Commander | $ 1,335 |
| 3 | K'rrik, Son of Yawgmoth | Commander | $ 570 |
| 3 | Vito, Thorn of the Dusk Rose | Commander | $ 295 |
| 3 | Winter, Cynical Opportunist | Commander | $ 275 |
| 2 | Kess, Dissident Mage | Commander | $ 1,237 |
| 2 | Judith, Carnage Connoisseur | Commander | $ 215 |
| 2 | Tasha, the Witch Queen | Commander | $ 304 |
| 2 | Tergrid, God of Fright | Commander | $ 539 |
| 2 | Anhelo, the Painter | Commander | $ 282 |
| 2 | Toshiro Umezawa | Commander | $ 335 |
All Printings
| Strixhaven: School of Mages Planeswalker Stamp Foil | $ 8.00 | - | |
| Strixhaven: School of Mages Prerelease Foil | $ 13 | - | |
| Strixhaven: School of Mages Borderless Foil | $ 24 | - | |
| Strixhaven: School of Mages Foil | $ 7.30 | 5.34 tix | |
| Strixhaven: School of Mages Planeswalker Stamp | $ 7.47 | - | |
| Strixhaven: School of Mages Borderless | $ 5.72 | - | |
| Strixhaven: School of Mages Cheapest | $ 2.75 | 0.12 tix | |
| Promo: Magic Online 58 | - | 0.51 tix | |
| Duskmourn Commander Cheapest Newest | $ 1.40 | 0.20 tix |
