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The Master of Keys

Card details, tags, similarity scores, and printings.

The Master of Keys

Legendary Enchantment Creature — Horror

Flying When The Master of Keys enters, put X +1/+1 counters on it and mill twice X cards. Each enchantment card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)

$2.31

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

× 1 × 1 × 1Multicolored cost

Creature kinds

Horror

Color identity

BUW

Keyword tags

FlyingMill

Mana value

Mana value 3

Theme tags

+1/+1 CountersGraveyard Play

Timing tags

Timing Sorcery

Type tags

CreatureEnchantment

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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 (0.599); 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 Commanderen42024-09-27mythic$2.31
Duskmourn: House of Horror Commanderde42024-09-27mythic—
Duskmourn: House of Horror Commanderfr42024-09-27mythic—
Duskmourn: House of Horror Commanderja42024-09-27mythic—