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

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Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
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No shared tags contributed to this comparison.

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Score 0.475unitless formula ranking

Land · Mana cost: — · Color identity: BR

Shared traits: No shared tags

Score details
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Color identity
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No shared tags contributed to this comparison.

Cabal Coffers

Score 0.476unitless formula ranking

Land · Mana cost: — · Color identity: B

Shared traits: No shared tags

Score details
Text (embedding)
0.772
Tags and themes
0.000
Color identity
0.000
Mana cost
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No shared tags contributed to this comparison.

Cinder Marsh

Score 0.476unitless formula ranking

Land · Mana cost: — · Color identity: BR

Shared traits: No shared tags

Score details
Text (embedding)
0.773
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Experience

Score 0.476unitless formula ranking

Card · Mana cost: — · Color identity: Colorless

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.736
Tags and themes
0.111
Color identity
0.000
Mana cost
0.125

Shared tags

Timing Sorcery

Rishadan Port

Score 0.477unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.773
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Yavimaya, Cradle of Growth

Score 0.477unitless formula ranking

Legendary Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.774
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Cinder Barrens

Score 0.477unitless formula ranking

Land · Mana cost: — · Color identity: BR

Shared traits: No shared tags

Score details
Text (embedding)
0.774
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Strip Mine

Score 0.477unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.774
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Sulfurous Mire

Score 0.477unitless formula ranking

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

Shared traits: No shared tags

Score details
Text (embedding)
0.774
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Muraganda Raceway

Score 0.477unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.774
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

A-Base Camp

Score 0.477unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.774
Tags and themes
0.000
Color identity
0.000
Mana cost
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Score 0.477unitless formula ranking

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

Shared traits: No shared tags

Score details
Text (embedding)
0.774
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Sundown Pass

Score 0.477unitless formula ranking

Land · Mana cost: — · Color identity: WR

Shared traits: No shared tags

Score details
Text (embedding)
0.775
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

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Score 0.478unitless formula ranking

Land — Plains Island · Mana cost: — · Color identity: WU

Shared traits: No shared tags

Score details
Text (embedding)
0.719
Tags and themes
0.000
Color identity
0.333
Mana cost
0.125

No shared tags contributed to this comparison.

Subterranean Hangar

Score 0.478unitless formula ranking

Land · Mana cost: — · Color identity: B

Shared traits: No shared tags

Score details
Text (embedding)
0.775
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Multiversal Passage

Score 0.478unitless formula ranking

Land · Mana cost: — · Color identity: Colorless

Shared traits: No shared tags

Score details
Text (embedding)
0.775
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Dark Ritual

Score 0.478unitless formula ranking

Instant · Mana cost: · Color identity: B

Shared traits: No shared tags

Score details
Text (embedding)
0.769
Tags and themes
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Color identity
0.000
Mana cost
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No shared tags contributed to this comparison.

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Score 0.478unitless formula ranking

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

Shared traits: No shared tags

Score details
Text (embedding)
0.776
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Crossroads Village

Score 0.478unitless formula ranking

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

Shared traits: No shared tags

Score details
Text (embedding)
0.776
Tags and themes
0.000
Color identity
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Mana cost
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No shared tags contributed to this comparison.

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Score 0.478unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.756
Tags and themes
0.000
Color identity
0.000
Mana cost
0.250

No shared tags contributed to this comparison.

Orzhov Guildgate

Score 0.479unitless formula ranking

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

Shared traits: No shared tags

Score details
Text (embedding)
0.777
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Boros Guildgate

Score 0.479unitless formula ranking

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

Shared traits: No shared tags

Score details
Text (embedding)
0.778
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Savannah

Score 0.479unitless formula ranking

Land — Forest Plains · Mana cost: — · Color identity: WG

Shared traits: No shared tags

Score details
Text (embedding)
0.722
Tags and themes
0.000
Color identity
0.333
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—