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Ertha Jo, Frontier Mentor

Card details, tags, similarity scores, and printings.

Ertha Jo, Frontier Mentor

Legendary Creature — Kor Advisor

When Ertha Jo enters, create a 1/1 red Mercenary creature token with ": Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery." Whenever you activate an ability that targets a creature or player, copy that ability. You may choose new targets for the copy.

$0.26

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

ActivatedTriggered

Mana costs

× 1 × 1Multicolored cost

Classes and roles

Advisor

Creature kinds

Kor

Color identity

RW

Mana value

Mana value 4

Theme tags

Card DrawTokens

Timing tags

Timing Sorcery

Type tags

Creature

AI themes

Custom Ability CopyTokens

Predicted tags

Card Draw

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

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Mana cost
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Shared tags

CreatureTiming SorceryTriggered

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ActivatedTiming SorceryTokens

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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 (0.612); 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
The ListenOTJ-2032026-11-09uncommon—
Outlaws of Thunder Junctionde2032024-04-19uncommon—
Outlaws of Thunder Junctionja2032024-04-19uncommon—
Outlaws of Thunder Junctiones2032024-04-19uncommon—
Outlaws of Thunder Junctionen2032024-04-19uncommon$0.26
Outlaws of Thunder Junctionit2032024-04-19uncommon—
Outlaws of Thunder Junctionzhs2032024-04-19uncommon—
Outlaws of Thunder Junctionfr2032024-04-19uncommon—
Outlaws of Thunder Junctionpt2032024-04-19uncommon—