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Professor Onyx

Card details, tags, similarity scores, and printings.

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.

$5.32

Commander: LegalModern: Legal

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Tags and classifications

Card attributes are distinct from inferred themes. AI themes and predicted tags are suggestions, not rules text; check the card before relying on a surprising classification.

Ability tags

Triggered

Mana costs

× 2

Color identity

B

Keyword tags

Magecraft

Mana value

Mana value 6+

Theme tags

Card DrawDiscardLifegain

Timing tags

Timing Sorcery

Type tags

Planeswalker

Predicted tags

Card Draw

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DiscardPlaneswalkerTiming Sorcery

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Shared traits: Discard, Timing Sorcery, Triggered · Same color identity · Matching mana cost

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How ranking works

Balanced: 0.60*text + 0.20*tags + 0.10*color + 0.10*cost. Outputs are unitless rankings, not percentages or probabilities. Most similar shows the highest scores; Typical overlap is nearest the catalog median (0.576); Least similar shows the lowest scores.

Text uses cosine resemblance (−1 to 1) between 384-number embeddings when available, or lexical fallback otherwise. Tags use Jaccard overlap of approved tags and AI themes, excluding predicted tags and separately scored color/cost tags. Color compares W/U/B/R/G identity. Mana cost combines mana-value proximity, 1 / (1 + the difference), with mana-symbol overlap. Tags, color, and cost range from 0 to 1.

Model: bge-small-en-v1.5. 34,605 of 34,605 catalog cards currently have embeddings.

Potential relationships

1,031 of 34,605 canonical cards have AI-derived resource labels. Label model: gpt-5.6-luna.

This card is missing AI-derived resource labels, so potential synergies and answers are unavailable. No text or predicted-tag inference is used.

About relationship labels

These labels are AI-derived resource matches, not reviewed or rules-validated interactions. Check deck legality, color identity, costs, timing, restrictions, and the cards themselves.

Printings
SetLanguageCollectorReleasedRarityPrice
Duskmourn: House of Horror Commanderfr1532024-09-27mythic—
Duskmourn: House of Horror Commanderde1532024-09-27mythic—
Duskmourn: House of Horror Commanderja1532024-09-27mythic—
Duskmourn: House of Horror Commanderit1532024-09-27mythic—
Duskmourn: House of Horror Commanderes1532024-09-27mythic—
Duskmourn: House of Horror Commanderen1532024-09-27mythic$5.32
Magic Online Promosen900882021-05-01mythic—
Strixhaven: School of Magesen832021-04-23mythic$5.65
Strixhaven: School of Magesde2762021-04-23mythic—
Strixhaven: School of Magesru2762021-04-23mythic—
Strixhaven: School of Mageszhs832021-04-23mythic—
Strixhaven: School of Mages Promosen83p2021-04-23mythic$5.60
Strixhaven: School of Magesja2762021-04-23mythic—
Strixhaven: School of Mages Promosen83s2021-04-23mythic—
Strixhaven: School of Mageses2762021-04-23mythic—
Strixhaven: School of Mageses832021-04-23mythic—
Strixhaven: School of Magesfr2762021-04-23mythic—
Strixhaven: School of Magesko2762021-04-23mythic—
Strixhaven: School of Mageszht832021-04-23mythic—
Strixhaven: School of Magesfr832021-04-23mythic—
Strixhaven: School of Magespt832021-04-23mythic—
Strixhaven: School of Magesen2762021-04-23mythic$11.55
Strixhaven: School of Magesru832021-04-23mythic—
Strixhaven: School of Magesde832021-04-23mythic—
Strixhaven: School of Magesit832021-04-23mythic—
Strixhaven: School of Magesit2762021-04-23mythic—
Strixhaven: School of Magespt2762021-04-23mythic—
Strixhaven: School of Magesja832021-04-23mythic—
Strixhaven: School of Mageszht2762021-04-23mythic—
Strixhaven: School of Magesko832021-04-23mythic—
Strixhaven: School of Mageszhs2762021-04-23mythic—