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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 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 0.490unitless formula ranking

Summon Wolf · Mana cost: · Color identity: R

Shared traits: Timing Sorcery

Score details
Text (embedding)
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Tags and themes
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Color identity
0.000
Mana cost
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Shared tags

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Starlit Mantle

Score 0.491unitless formula ranking

Enchantment — Aura · Mana cost: · Color identity: U

Shared traits: Triggered

Score details
Text (embedding)
0.764
Tags and themes
0.111
Color identity
0.000
Mana cost
0.100

Shared tags

Triggered

Gut Shot

Score 0.491unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.805
Tags and themes
0.000
Color identity
0.000
Mana cost
0.083

No shared tags contributed to this comparison.

Thunder Magic

Score 0.492unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.805
Tags and themes
0.000
Color identity
0.000
Mana cost
0.083

No shared tags contributed to this comparison.

Tunnel

Score 0.492unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.806
Tags and themes
0.000
Color identity
0.000
Mana cost
0.083

No shared tags contributed to this comparison.

Flying Men

Score 0.492unitless formula ranking

Creature — Human · Mana cost: · Color identity: U

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.769
Tags and themes
0.111
Color identity
0.000
Mana cost
0.083

Shared tags

Timing Sorcery

Peat Bog

Score 0.492unitless formula ranking

Land · Mana cost: — · Color identity: B

Shared traits: No shared tags

Score details
Text (embedding)
0.808
Tags and themes
0.000
Color identity
0.000
Mana cost
0.071

No shared tags contributed to this comparison.

Highland Forest

Score 0.492unitless formula ranking

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

Shared traits: Activated

Score details
Text (embedding)
0.753
Tags and themes
0.167
Color identity
0.000
Mana cost
0.071

Shared tags

Activated

Holy Day

Score 0.492unitless formula ranking

Instant · Mana cost: · Color identity: W

Shared traits: No shared tags

Score details
Text (embedding)
0.806
Tags and themes
0.000
Color identity
0.000
Mana cost
0.083

No shared tags contributed to this comparison.

Snowfield Sinkhole

Score 0.492unitless formula ranking

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

Shared traits: Activated

Score details
Text (embedding)
0.761
Tags and themes
0.143
Color identity
0.000
Mana cost
0.071

Shared tags

Activated

Ravaging Blaze

Score 0.492unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.804
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Overflowing Basin

Score 0.493unitless formula ranking

Land · Mana cost: — · Color identity: UG

Shared traits: Activated

Score details
Text (embedding)
0.754
Tags and themes
0.167
Color identity
0.000
Mana cost
0.071

Shared tags

Activated

Geothermal Bog

Score 0.493unitless formula ranking

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

Shared traits: Activated

Score details
Text (embedding)
0.762
Tags and themes
0.143
Color identity
0.000
Mana cost
0.071

Shared tags

Activated

Honorable Passage

Score 0.493unitless formula ranking

Instant · Mana cost: · Color identity: W

Shared traits: No shared tags

Score details
Text (embedding)
0.805
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Dog Umbra

Score 0.493unitless formula ranking

Enchantment — Aura · Mana cost: · Color identity: W

Shared traits: No shared tags

Score details
Text (embedding)
0.805
Tags and themes
0.000
Color identity
0.000
Mana cost
0.100

No shared tags contributed to this comparison.

Helicarrier Strike

Score 0.494unitless formula ranking

Instant · Mana cost: · Color identity: W

Shared traits: No shared tags

Score details
Text (embedding)
0.809
Tags and themes
0.000
Color identity
0.000
Mana cost
0.083

No shared tags contributed to this comparison.

Captain America, Super-Soldier

Score 0.494unitless formula ranking

Legendary Creature — Human Soldier Hero · Mana cost: · Color identity: W

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.772
Tags and themes
0.091
Color identity
0.000
Mana cost
0.125

Shared tags

Timing Sorcery

Vexing Gull

Score 0.494unitless formula ranking

Creature — Bird · Mana cost: · Color identity: U

Shared traits: No shared tags

Score details
Text (embedding)
0.803
Tags and themes
0.000
Color identity
0.000
Mana cost
0.125

No shared tags contributed to this comparison.

Active Volcano

Score 0.494unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.810
Tags and themes
0.000
Color identity
0.000
Mana cost
0.083

No shared tags contributed to this comparison.

Burst Lightning

Score 0.494unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.810
Tags and themes
0.000
Color identity
0.000
Mana cost
0.083

No shared tags contributed to this comparison.

Sacred Peaks

Score 0.494unitless formula ranking

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

Shared traits: Activated

Score details
Text (embedding)
0.764
Tags and themes
0.143
Color identity
0.000
Mana cost
0.071

Shared tags

Activated

Flashback

Score 0.494unitless formula ranking

Instant · Mana cost: · Color identity: R

Shared traits: No shared tags

Score details
Text (embedding)
0.810
Tags and themes
0.000
Color identity
0.000
Mana cost
0.083

No shared tags contributed to this comparison.

Suntail Hawk

Score 0.495unitless formula ranking

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

Shared traits: Timing Sorcery

Score details
Text (embedding)
0.773
Tags and themes
0.111
Color identity
0.000
Mana cost
0.083

Shared tags

Timing Sorcery

Underground Sea

Score 0.495unitless formula ranking

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

Shared traits: Activated

Score details
Text (embedding)
0.757
Tags and themes
0.167
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—