Professor Onyx

Strixhaven: School of Mages Promos · #83s · mythic · EN

$17.37

cheapest of 7 store offers · see all

market $17.82 (foil)

Mana cost: {4}{B}{B}

Type: Legendary Planeswalker — Liliana

Commonly played as: Removal, Mill, Lifegain, Drain

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.

Artist: Kieran Yanner

Released: 2021-04-23

Finishes: Foil

Market price

  • TCGplayer foil: $17.82
  • Cardmarket foil: €16.49
  • MTGO tix: 0
$17.85$13.16
233 days of daily prices for Professor Onyx (foil): $13.16 to $17.82
2026-01-252026-11-12
foil · 233 days tracked · $13.16 → $17.82 (+35%) · low $13.16 · high $17.85
Daily USD snapshots; a flat stretch is a day with no new price recorded.

Other languages

The same printing (Strixhaven: School of Mages Promos #83s) in 10 other languages.

Store prices

The 3 cheapest per condition and finish, in stock at the last check. Offers not re-confirmed within 60 days are not shown. Prices in different currencies are compared at the current exchange rate.

StoreConditionFinishPriceChecked
ManaPoolMP · foil · todayMPfoil$17.37today
ManaPoolNM · foil · todayNMfoil$17.62today
CardmarketNM · foil · todayNMfoil€16.49today
ManaPoolSP · foil · todaySPfoil$18.64today
Card KingdomSP · foil · 3 days agoSPfoil$19.543 days ago
Face To Face GamesNM · foil · todayNMfoilCA$31.99today

Truncated: 1 further offers are available at a higher price in the same conditions, out of 7 in total.

Format legality

  • standard: not legal
  • pioneer: legal
  • modern: legal
  • legacy: legal
  • vintage: legal
  • commander: legal
  • pauper: not legal
  • brawl: legal

Decks that play this card

  • Death Toll {B}{G}1 copy · 100 cards · bracket 2 · official precon

Browse all decks

All printings of Professor Onyx

USD · low $4.88 · high $17.82

Set#RarityUSD
Duskmourn: House of Horror Commander#153 · mythic153mythic$5.78
Magic Online Promos#90088 · mythic90088mythic—
Strixhaven: School of Mages Promos#83p · mythic83pmythic$4.88
Strixhaven: School of Mages Promos#83s · mythic83smythic$17.82 foil
Strixhaven: School of Mages#276 · mythic276mythic$11.61
Strixhaven: School of Mages#83 · mythic83mythic$6.93