Magic: The Gathering · Commander: Duskmourn: House of Horror
Professor Onyx
French name: Professeur Onyx
Professor Onyx (Commander: Duskmourn: House of Horror 153) has a market price of US$5.77 as of Nov 9, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Legendary Planeswalker: Liliana
- Mana cost
- {4}{B}{B}
- Loyalty
- 5
- Artist
- 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.
About this card
Professor Onyx is card 153 in Commander: Duskmourn: House of Horror, a Magic: The Gathering set released Sep 27, 2024. Rarity: Mythic. Illustrated by Kieran Yanner. Reference market price on Nov 9, 2026: US$5.77. Over the last 30 days, the Normal price went up 14.0%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.
