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Professor Onyx
Planeswalker Stamp
Strixhaven: School of Mages
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Planeswalker Stamp
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Tabletop
$ 6.39
![Professor Onyx <planeswalker stamp> [STX]](https://cdn1.mtggoldfish.com/images/gf/Professor%2BOnyx%2B%253Cplaneswalker%2Bstamp%253E%2B%255BSTX%255D.jpg)
Tabletop
$ 6.39
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
| 10 | K'rrik, Son of Yawgmoth | Commander | $ 573 |
| 10 | Kuja, Genome Sorcerer | Commander | $ 397 |
| 5 | Tivit, Seller of Secrets | Commander | $ 628 |
| 4 | Y'shtola, Night's Blessed | Commander | $ 884 |
| 3 | Braids, Arisen Nightmare | Commander | $ 309 |
| 3 | Winter, Cynical Opportunist | Commander | $ 270 |
| 3 | Inalla, Archmage Ritualist | Commander | $ 599 |
| 3 | Tourach, Dread Cantor | Commander | $ 233 |
| 2 | Dina, Soul Steeper | Commander | $ 276 |
| 2 | Fandaniel, Telophoroi Ascian | Commander | $ 449 |
All Printings
| Strixhaven: School of Mages Planeswalker Stamp Foil | $ 7.68 | - | |
| Strixhaven: School of Mages Prerelease Foil | $ 13 | - | |
| Strixhaven: School of Mages Borderless Foil | $ 24 | - | |
| Strixhaven: School of Mages Foil | $ 6.75 | 5.34 tix | |
| Strixhaven: School of Mages Planeswalker Stamp | $ 6.39 | - | |
| Strixhaven: School of Mages Borderless | $ 5.67 | - | |
| Strixhaven: School of Mages Cheapest | $ 3.17 | 0.10 tix | |
| Promo: Magic Online 58 | - | 0.50 tix | |
| Duskmourn Commander Cheapest Newest | $ 1.37 | 0.20 tix |
