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Tainted Observer

Card details, tags, similarity scores, and printings.

Tainted Observer

Creature — Phyrexian Bird

Flying Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever another creature you control enters, you may pay . If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

$0.23

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 × 1Multicolored cost

Creature kinds

BirdPhyrexian

Color identity

GU

Keyword tags

FlyingProliferateToxic

Mana value

Mana value 3

Theme tags

EvasionRemoval

Timing tags

Timing Sorcery

Type tags

Creature

Predicted tags

EvasionRemoval

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Showing 73–96 of 34,604 candidates

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

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Score 0.479unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
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Color identity
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Mana cost
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No shared tags contributed to this comparison.

Flame Javelin

Score 0.480unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.779
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Color identity
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Mana cost
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No shared tags contributed to this comparison.

Rakdos Guildgate

Score 0.480unitless formula ranking

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

Shared traits: No shared tags

Score details
Text (embedding)
0.780
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Arid Mesa

Score 0.480unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.780
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Urza's Fun House

Score 0.480unitless formula ranking

Land — Urza's · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.780
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Gate to Tumbledown

Score 0.481unitless formula ranking

Land — Mountain Gate · Mana cost: — · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.780
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Urza's Tower

Score 0.481unitless formula ranking

Land — Urza's Tower · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.780
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Information Booth

Score 0.481unitless formula ranking

Artifact — Attraction · Mana cost: — · Color identity: Colorless

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.744
Tags and themes
0.111
Color identity
0.000
Mana cost
0.125

Shared tags

Timing Sorcery

Island

Score 0.481unitless formula ranking

Basic Land — Island · Mana cost: — · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.698
Tags and themes
0.000
Color identity
0.500
Mana cost
0.125

No shared tags contributed to this comparison.

Glittering Massif

Score 0.482unitless formula ranking

Land — Mountain Plains · Mana cost: — · Color identity: WR

Shared traits: No shared tags

Score details
Text (embedding)
0.782
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Archaeological Dig

Score 0.482unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.782
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Clearwater Pathway // Murkwater Pathway

Score 0.482unitless formula ranking

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

Shared traits: No shared tags

Score details
Text (embedding)
0.727
Tags and themes
0.000
Color identity
0.333
Mana cost
0.125

No shared tags contributed to this comparison.

Sunbillow Verge

Score 0.482unitless formula ranking

Land · Mana cost: — · Color identity: WR

Shared traits: No shared tags

Score details
Text (embedding)
0.783
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Tresserhorn Sinks

Score 0.482unitless formula ranking

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

Shared traits: No shared tags

Score details
Text (embedding)
0.783
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Wasteland

Score 0.483unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.784
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Desolate Mire

Score 0.483unitless formula ranking

Land · Mana cost: — · Color identity: WB

Shared traits: No shared tags

Score details
Text (embedding)
0.784
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Welding Jar

Score 0.483unitless formula ranking

Artifact · Mana cost: {0} · Color identity: Colorless

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.754
Tags and themes
0.091
Color identity
0.000
Mana cost
0.125

Shared tags

Timing Sorcery

Wooded Foothills

Score 0.483unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.784
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Riverglide Pathway // Lavaglide Pathway

Score 0.483unitless formula ranking

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

Shared traits: No shared tags

Score details
Text (embedding)
0.729
Tags and themes
0.000
Color identity
0.333
Mana cost
0.125

No shared tags contributed to this comparison.

Luminesce

Score 0.483unitless formula ranking

Instant · Mana cost: · Color identity: W

Shared traits: No shared tags

Score details
Text (embedding)
0.778
Tags and themes
0.000
Color identity
0.000
Mana cost
0.167

No shared tags contributed to this comparison.

Isolated Chapel

Score 0.483unitless formula ranking

Land · Mana cost: — · Color identity: WB

Shared traits: No shared tags

Score details
Text (embedding)
0.785
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Active Volcano

Score 0.483unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.778
Tags and themes
0.000
Color identity
0.000
Mana cost
0.167

No shared tags contributed to this comparison.

Vibrant Cityscape

Score 0.484unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.785
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Deserted Temple

Score 0.484unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.785
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

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 (0.597); 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
Phyrexia: All Will Be Onede2172023-02-10uncommon—
Phyrexia: All Will Be Oneja2172023-02-10uncommon—
Phyrexia: All Will Be Onezhs2172023-02-10uncommon—
Phyrexia: All Will Be Onees2172023-02-10uncommon—
Phyrexia: All Will Be Onept2172023-02-10uncommon—
Phyrexia: All Will Be Oneen2172023-02-10uncommon$0.23
Phyrexia: All Will Be Oneit2172023-02-10uncommon—
Phyrexia: All Will Be Onefr2172023-02-10uncommon—