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Contagion Engine

Card details, tags, similarity scores, and printings.

Contagion Engine

Artifact

When this artifact enters, put a -1/-1 counter on each creature target player controls. , : Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

$13.74

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

Colorless cost

Keyword tags

Proliferate

Mana value

Mana value 6+

Timing tags

Timing Sorcery

Type tags

Artifact

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

Chronicle of Victory

Score 0.835unitless formula ranking

Legendary Artifact · Mana cost: · Color identity: Colorless

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

Score details
Text (embedding)
0.858
Tags and themes
0.600
Color identity
1.000
Mana cost
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Shared tags

ArtifactTiming SorceryTriggered

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Score 0.835unitless formula ranking

Legendary Artifact · Mana cost: · Color identity: Colorless

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

Score details
Text (embedding)
0.858
Tags and themes
0.600
Color identity
1.000
Mana cost
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Shared tags

ArtifactTiming SorceryTriggered

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Score 0.833unitless formula ranking

Artifact Creature — Construct · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.911
Tags and themes
0.429
Color identity
1.000
Mana cost
1.000

Shared tags

ActivatedArtifactTiming Sorcery

Planetarium of Wan Shi Tong

Score 0.830unitless formula ranking

Legendary Artifact · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.828
Tags and themes
0.667
Color identity
1.000
Mana cost
1.000

Shared tags

ActivatedArtifactTiming SorceryTriggered

Sharp Eraser

Score 0.830unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.850
Tags and themes
0.600
Color identity
1.000
Mana cost
1.000

Shared tags

ActivatedArtifactTiming Sorcery

Salvaging Station

Score 0.830unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.859
Tags and themes
0.571
Color identity
1.000
Mana cost
1.000

Shared tags

ActivatedArtifactTiming SorceryTriggered

Gonti's Aether Heart

Score 0.830unitless formula ranking

Legendary Artifact · Mana cost: · Color identity: Colorless

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

Score details
Text (embedding)
0.849
Tags and themes
0.600
Color identity
1.000
Mana cost
1.000

Shared tags

ArtifactTiming SorceryTriggered

Aettir and Priwen

Score 0.829unitless formula ranking

Legendary Artifact — Equipment · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.881
Tags and themes
0.500
Color identity
1.000
Mana cost
1.000

Shared tags

ActivatedArtifactTiming Sorcery

Dreamstone Hedron

Score 0.828unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.880
Tags and themes
0.500
Color identity
1.000
Mana cost
1.000

Shared tags

ActivatedArtifactTiming Sorcery

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Score 0.828unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
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Mana cost
1.000

Shared tags

ActivatedArtifactTiming SorceryTriggered

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Score 0.826unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.876
Tags and themes
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1.000
Mana cost
1.000

Shared tags

ActivatedArtifactTiming Sorcery

Geistcatcher's Rig

Score 0.825unitless formula ranking

Artifact Creature — Construct · Mana cost: · Color identity: Colorless

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

Score details
Text (embedding)
0.899
Tags and themes
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1.000
Mana cost
1.000

Shared tags

ArtifactTiming SorceryTriggered

Mirror Universe

Score 0.825unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

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

Score details
Text (embedding)
0.908
Tags and themes
0.400
Color identity
1.000
Mana cost
1.000

Shared tags

ArtifactTiming Sorcery

Necropouncer

Score 0.825unitless formula ranking

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

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.893
Tags and themes
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Mana cost
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ActivatedArtifactTiming SorceryTriggered

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Score 0.824unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.873
Tags and themes
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Color identity
1.000
Mana cost
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ActivatedArtifactTiming Sorcery

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Score 0.822unitless formula ranking

Artifact Creature — Shapeshifter · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.895
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0.429
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1.000
Mana cost
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ActivatedArtifactTiming Sorcery

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Score 0.820unitless formula ranking

Legendary Artifact · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.905
Tags and themes
0.800
Color identity
1.000
Mana cost
0.167

Shared tags

ActivatedArtifactTiming SorceryTriggered

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Score 0.819unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.841
Tags and themes
0.571
Color identity
1.000
Mana cost
1.000

Shared tags

ActivatedArtifactTiming SorceryTriggered

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Score 0.819unitless formula ranking

Legendary Artifact · Mana cost: · Color identity: Colorless

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

Score details
Text (embedding)
0.864
Tags and themes
0.500
Color identity
1.000
Mana cost
1.000

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ArtifactTiming SorceryTriggered

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Score 0.818unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.914
Tags and themes
0.800
Color identity
1.000
Mana cost
0.100

Shared tags

ActivatedArtifactTiming SorceryTriggered

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Score 0.818unitless formula ranking

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

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.882
Tags and themes
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Color identity
1.000
Mana cost
1.000

Shared tags

ActivatedArtifactTiming SorceryTriggered

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Score 0.817unitless formula ranking

Artifact · Mana cost: · Color identity: Colorless

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

Score details
Text (embedding)
0.895
Tags and themes
0.400
Color identity
1.000
Mana cost
1.000

Shared tags

ArtifactTiming Sorcery

Optical Optimizer

Score 0.817unitless formula ranking

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

Shared traits: Activated, Artifact, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.916
Tags and themes
0.800
Color identity
1.000
Mana cost
0.071

Shared tags

ActivatedArtifactTiming SorceryTriggered

Cybership

Score 0.815unitless formula ranking

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

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

Score details
Text (embedding)
0.900
Tags and themes
0.375
Color identity
1.000
Mana cost
1.000

Shared tags

ArtifactTiming SorceryTriggered
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 (0.572); 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
Breaking Newsde612024-04-19mythic—
Breaking Newsfr612024-04-19mythic—
Breaking Newszhs612024-04-19mythic—
Breaking Newspt612024-04-19mythic—
Breaking Newses612024-04-19mythic—
Breaking Newsit612024-04-19mythic—
Breaking Newsja612024-04-19mythic—
Breaking Newsen782024-04-19mythic—
Breaking Newsen612024-04-19mythic$12.68
Secret Lair Dropen10952022-11-02rare$17.20
The ListenSOM-1452020-09-01rare$14.47
Scars of Mirrodinru1452010-10-01rare—
Scars of Mirrodinfr1452010-10-01rare—
Scars of Mirrodinit1452010-10-01rare—
Scars of Mirrodinzht1452010-10-01rare—
Scars of Mirrodinja1452010-10-01rare—
Scars of Mirrodinzhs1452010-10-01rare—
Scars of Mirrodinpt1452010-10-01rare—
Scars of Mirrodines1452010-10-01rare—
Scars of Mirrodinen1452010-10-01rare$13.74
Scars of Mirrodinde1452010-10-01rare—