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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

Similar cards

Showing 49–72 of 34,604 candidates

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

Seasonal Sequels

Score 0.486unitless formula ranking

Instant · Mana cost: · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.790
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Draconic Roar

Score 0.487unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.795
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Glacial Floodplain

Score 0.488unitless formula ranking

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

Shared traits: Activated

Score details
Text (embedding)
0.753
Tags and themes
0.143
Color identity
0.000
Mana cost
0.071

Shared tags

Activated

Arctic Treeline

Score 0.488unitless formula ranking

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

Shared traits: Activated

Score details
Text (embedding)
0.753
Tags and themes
0.143
Color identity
0.000
Mana cost
0.071

Shared tags

Activated

Scorching Lava

Score 0.488unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.796
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Savannah Lions

Score 0.488unitless formula ranking

Creature — Cat · Mana cost: · Color identity: W

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.752
Tags and themes
0.143
Color identity
0.000
Mana cost
0.083

Shared tags

Timing Sorcery

Serene Heart

Score 0.488unitless formula ranking

Instant · Mana cost: · Color identity: G

Shared traits: No shared tags

Score details
Text (embedding)
0.797
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Slaying Fire

Score 0.488unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.793
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Contaminated Aquifer

Score 0.489unitless formula ranking

Land — Island Swamp · Mana cost: — · Color identity: UB

Shared traits: Activated

Score details
Text (embedding)
0.755
Tags and themes
0.143
Color identity
0.000
Mana cost
0.071

Shared tags

Activated

Interdisciplinary Studies

Score 0.489unitless formula ranking

Instant · Mana cost: · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.794
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Darkbore Pathway // Slitherbore Pathway

Score 0.489unitless formula ranking

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

Shared traits: No shared tags

Score details
Text (embedding)
0.803
Tags and themes
0.000
Color identity
0.000
Mana cost
0.071

No shared tags contributed to this comparison.

Rimewood Falls

Score 0.489unitless formula ranking

Snow Land — Forest Island · Mana cost: — · Color identity: UG

Shared traits: Activated

Score details
Text (embedding)
0.748
Tags and themes
0.167
Color identity
0.000
Mana cost
0.071

Shared tags

Activated

Turn to Dust

Score 0.489unitless formula ranking

Instant · Mana cost: · Color identity: G

Shared traits: No shared tags

Score details
Text (embedding)
0.801
Tags and themes
0.000
Color identity
0.000
Mana cost
0.083

No shared tags contributed to this comparison.

Canopy Vista

Score 0.489unitless formula ranking

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

Shared traits: Activated

Score details
Text (embedding)
0.756
Tags and themes
0.143
Color identity
0.000
Mana cost
0.071

Shared tags

Activated

Unstable Footing

Score 0.489unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.802
Tags and themes
0.000
Color identity
0.000
Mana cost
0.083

No shared tags contributed to this comparison.

Seething Song

Score 0.490unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.795
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Rootwater Depths

Score 0.490unitless formula ranking

Land · Mana cost: — · Color identity: UB

Shared traits: Activated

Score details
Text (embedding)
0.757
Tags and themes
0.143
Color identity
0.000
Mana cost
0.071

Shared tags

Activated

Hibernation

Score 0.490unitless formula ranking

Instant · Mana cost: · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.795
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Dragon's Fire

Score 0.490unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.800
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Little Girl

Score 0.490unitless formula ranking

Creature — Human Child · Mana cost: {HW} · Color identity: W

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.762
Tags and themes
0.125
Color identity
0.000
Mana cost
0.077

Shared tags

Timing Sorcery

Final Flourish

Score 0.490unitless formula ranking

Instant · Mana cost: · Color identity: B

Shared traits: No shared tags

Score details
Text (embedding)
0.800
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Ineffable Blessing

Score 0.490unitless formula ranking

Enchantment · Mana cost: · Color identity: G

Shared traits: No shared tags

Score details
Text (embedding)
0.800
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Luminesce

Score 0.490unitless formula ranking

Instant · Mana cost: · Color identity: W

Shared traits: No shared tags

Score details
Text (embedding)
0.803
Tags and themes
0.000
Color identity
0.000
Mana cost
0.083

No shared tags contributed to this comparison.

Skycloud Expanse

Score 0.490unitless formula ranking

Land · Mana cost: — · Color identity: WU

Shared traits: Activated

Score details
Text (embedding)
0.758
Tags and themes
0.143
Color identity
0.000
Mana cost
0.071

Shared tags

Activated
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—