Professor Onyx (PSTX #83p)
Professor Onyx is a mythic printing from Strixhaven: School of Mages Promos (PSTX #83p), a Legendary Planeswalker — Liliana. Illustrated by Kieran Yanner.
Card text
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.
Details
| Mana cost | {4}{B}{B} |
|---|---|
| Type | Legendary Planeswalker — Liliana |
| Loyalty | 5 |
| Rarity | Mythic |
| Set | Strixhaven: School of Mages Promos (PSTX) |
| Collector number | 83p |
| Artist | Kieran Yanner |
| Released | 2021-04-23 |
Current price
As of 2026-10-19, Scryfall listed this printing at non-foil $4.64, foil $6.45 (USD). Prices change constantly, so check the live price before buying.
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Legality
| Standard | Not legal |
|---|---|
| Future Standard | Not legal |
| Historic | Legal |
| Timeless | Legal |
| Gladiator | Legal |
| Pioneer | Legal |
| Modern | Legal |
| Legacy | Legal |
| Pauper | Not legal |
| Vintage | Legal |
| Penny Dreadful | Not legal |
| Commander | Legal |
| Oathbreaker | Legal |
| Standard Brawl | Not legal |
| Brawl | Legal |
| Competitive Brawl | Legal |
| Alchemy | Not legal |
| Pauper Commander | Not legal |
| Duel Commander | Legal |
| Old School | Not legal |
| Premodern | Not legal |
| PrEDH | Not legal |
| TLR | Not legal |
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