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April O'Neil, Human Element

Card details, tags, similarity scores, and printings.

April O'Neil, Human Element

Legendary Creature — Human Detective

Whenever a player casts an artifact, instant, or sorcery spell, you create a Mutagen token. (It's an artifact with ", , Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")

$4.21

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

Classes and roles

Detective

Creature kinds

Human

Color identity

U

Mana value

Mana value 4

Theme tags

+1/+1 CountersTokens

Timing tags

Timing Sorcery

Type tags

Creature

Predicted tags

Tokens

Similar cards

Showing 25–48 of 34,604 candidates

These rankings describe text and metadata resemblance, not synergy, win rates, or claims that a card counters yours.

Arctic Flats

Score 0.454unitless formula ranking

Snow Land · Mana cost: — · Color identity: WG

Shared traits: No shared tags

Score details
Text (embedding)
0.741
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Barry's Land

Score 0.455unitless formula ranking

Basic Land — Cloud · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.741
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Cragcrown Pathway // Timbercrown Pathway

Score 0.455unitless formula ranking

Land // Land · Mana cost: — · Color identity: RG

Shared traits: No shared tags

Score details
Text (embedding)
0.742
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Sundown Pass

Score 0.456unitless formula ranking

Land · Mana cost: — · Color identity: WR

Shared traits: No shared tags

Score details
Text (embedding)
0.743
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Gate to the Citadel

Score 0.456unitless formula ranking

Land — Plains Gate · Mana cost: — · Color identity: W

Shared traits: No shared tags

Score details
Text (embedding)
0.744
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Rabanastre, Royal City

Score 0.456unitless formula ranking

Land — Town · Mana cost: — · Color identity: WR

Shared traits: No shared tags

Score details
Text (embedding)
0.744
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Taiga

Score 0.457unitless formula ranking

Land — Mountain Forest · Mana cost: — · Color identity: RG

Shared traits: No shared tags

Score details
Text (embedding)
0.744
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Mossfire Valley

Score 0.457unitless formula ranking

Land · Mana cost: — · Color identity: RG

Shared traits: No shared tags

Score details
Text (embedding)
0.745
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Scrubland

Score 0.457unitless formula ranking

Land — Plains Swamp · Mana cost: — · Color identity: WB

Shared traits: No shared tags

Score details
Text (embedding)
0.745
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Timber Gorge

Score 0.457unitless formula ranking

Land · Mana cost: — · Color identity: RG

Shared traits: No shared tags

Score details
Text (embedding)
0.746
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Swamp

Score 0.458unitless formula ranking

Basic Land — Swamp · Mana cost: — · Color identity: B

Shared traits: No shared tags

Score details
Text (embedding)
0.746
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Badlands

Score 0.458unitless formula ranking

Land — Swamp Mountain · Mana cost: — · Color identity: BR

Shared traits: No shared tags

Score details
Text (embedding)
0.747
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Sunscorched Divide

Score 0.459unitless formula ranking

Land · Mana cost: — · Color identity: WR

Shared traits: No shared tags

Score details
Text (embedding)
0.749
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Blightstep Pathway // Searstep Pathway

Score 0.460unitless formula ranking

Land // Land · Mana cost: — · Color identity: BR

Shared traits: No shared tags

Score details
Text (embedding)
0.749
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Clifftop Retreat

Score 0.460unitless formula ranking

Land · Mana cost: — · Color identity: WR

Shared traits: No shared tags

Score details
Text (embedding)
0.749
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Rushwood Grove

Score 0.460unitless formula ranking

Land · Mana cost: — · Color identity: G

Shared traits: No shared tags

Score details
Text (embedding)
0.750
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

An-Havva Township

Score 0.461unitless formula ranking

Land · Mana cost: — · Color identity: WRG

Shared traits: No shared tags

Score details
Text (embedding)
0.751
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Multiversal Passage

Score 0.461unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.752
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Highland Weald

Score 0.462unitless formula ranking

Snow Land · Mana cost: — · Color identity: RG

Shared traits: No shared tags

Score details
Text (embedding)
0.753
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Vec Townships

Score 0.462unitless formula ranking

Land · Mana cost: — · Color identity: WG

Shared traits: No shared tags

Score details
Text (embedding)
0.753
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Copperline Gorge

Score 0.462unitless formula ranking

Land · Mana cost: — · Color identity: RG

Shared traits: No shared tags

Score details
Text (embedding)
0.753
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Windurst, Federation Center

Score 0.462unitless formula ranking

Land — Town · Mana cost: — · Color identity: WG

Shared traits: No shared tags

Score details
Text (embedding)
0.754
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Mercadian Bazaar

Score 0.465unitless formula ranking

Land · Mana cost: — · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.758
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Sungrass Prairie

Score 0.465unitless formula ranking

Land · Mana cost: — · Color identity: WG

Shared traits: No shared tags

Score details
Text (embedding)
0.758
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

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 (0.609); 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
Teenage Mutant Ninja Turtles Eternalen1072026-03-06rare$4.21