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Moonstone, Harsh Mistress

Card details, tags, similarity scores, and printings.

Moonstone, Harsh Mistress

Legendary Creature — Human Doctor Villain

Flying Whenever you discard a card, you may exile that card from your graveyard. If you do, until the end of your next turn, you may play that card.

$0.20

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

× 1

Classes and roles

Doctor

Creature kinds

HumanVillain

Hates tags

Graveyard

Color identity

B

Keyword tags

Flying

Mana value

Mana value 4

Theme tags

Discard

Timing tags

Timing Sorcery

Type tags

Creature

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Shared tags

CreatureHumanTiming SorceryTriggered

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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 (0.591); 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
Marvel Super Heroesit1072026-06-26uncommon—
Marvel Super Heroesen1072026-06-26uncommon$0.20
Marvel Super Heroesfr1072026-06-26uncommon—
Marvel Super Heroesen4472026-06-26uncommon—
Marvel Super Heroeses1072026-06-26uncommon—
Marvel Super Heroesja1072026-06-26uncommon—
Marvel Super Heroesde1072026-06-26uncommon—