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River Song's Diary

Card details, tags, similarity scores, and printings.

River Song's Diary

Artifact — Book

Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves. At the beginning of your upkeep, if there are four or more cards exiled with this artifact, choose one of them at random. You may cast it without paying its mana cost.

$0.52

Commander: LegalModern: Not 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

Colorless cost

Keyword tags

Imprint

Mana value

Mana value 3

Timing tags

Timing Sorcery

Type tags

Artifact

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Shared traits: Timing Sorcery

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Mana cost
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Score 0.569unitless formula ranking

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Shared traits: Timing Sorcery, Triggered

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Mana cost
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Score 0.569unitless formula ranking

Legendary Creature — Human Advisor · Mana cost: · Color identity: UB

Shared traits: Timing Sorcery, Triggered

Score details
Text (embedding)
0.845
Tags and themes
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Color identity
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Mana cost
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Score 0.569unitless formula ranking

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Shared traits: Timing Sorcery, Triggered

Score details
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Color identity
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Mana cost
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Shared traits: Timing Sorcery

Score details
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Color identity
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Mana cost
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Timing Sorcery

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Shared traits: Timing Sorcery

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Shared traits: Timing Sorcery, Triggered

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Score 0.569unitless formula ranking

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Shared traits: Timing Sorcery

Score details
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Color identity
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Mana cost
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Shared tags

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Score 0.569unitless formula ranking

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Shared traits: No shared tags

Score details
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Shared traits: Timing Sorcery, Triggered

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Shared traits: Timing Sorcery, Triggered

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Shared traits: Timing Sorcery, Triggered

Score details
Text (embedding)
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Mana cost
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Shared traits: Timing Sorcery, Triggered

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Shared traits: Timing Sorcery, Triggered

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Shared traits: Timing Sorcery

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Shared traits: Timing Sorcery, Triggered

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Mana cost
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Basri's Aegis

Score 0.569unitless formula ranking

Sorcery · Mana cost: · Color identity: W

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.850
Tags and themes
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Color identity
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Mana cost
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Shared tags

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Score 0.569unitless formula ranking

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Shared traits: Timing Sorcery, Triggered

Score details
Text (embedding)
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Mana cost
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Shared traits: Timing Sorcery

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Mana cost
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Shared traits: Timing Sorcery, Triggered

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Score 0.569unitless formula ranking

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Shared traits: Timing Sorcery, Triggered

Score details
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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 (0.569); 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
Doctor Whode1822023-10-13rare—
Doctor Whofr1822023-10-13rare—
Doctor Whoja1822023-10-13rare—
Doctor Whoen1822023-10-13rare$0.52
Doctor Whoen7872023-10-13rare—
Doctor Whoen10512023-10-13rare—
Doctor Whoja4602023-10-13rare—
Doctor Whoen4602023-10-13rare$2.12