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Thassa's Oracle

Card details, tags, similarity scores, and printings.

Thassa's Oracle

Creature — Merfolk Wizard

When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each in the mana costs of permanents you control counts toward your devotion to blue.)

$21.93

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

× 2

Creature kinds

Merfolk

Classes and roles

Wizard

Color identity

U

Mana value

Mana value 2

Theme tags

Card Draw

Timing tags

Timing Sorcery

Type tags

Creature

Predicted tags

Card Draw

Similar cards

Showing 1–24 of 34,604 candidates

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

Tidebinder Mage

Score 0.946unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity · Matching mana cost

Score details
Text (embedding)
0.910
Tags and themes
1.000
Color identity
1.000
Mana cost
1.000

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Harbinger of the Tides

Score 0.939unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity · Matching mana cost

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

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Augur of Bolas

Score 0.934unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.945
Tags and themes
1.000
Color identity
1.000
Mana cost
0.667

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Silvergill Adept

Score 0.916unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.916
Tags and themes
1.000
Color identity
1.000
Mana cost
0.667

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Surgespanner

Score 0.900unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.916
Tags and themes
1.000
Color identity
1.000
Mana cost
0.500

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Riverwise Augur

Score 0.898unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.941
Tags and themes
1.000
Color identity
1.000
Mana cost
0.333

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Tempest Caller

Score 0.895unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.909
Tags and themes
1.000
Color identity
1.000
Mana cost
0.500

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Towering-Wave Mystic

Score 0.891unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.930
Tags and themes
0.833
Color identity
1.000
Mana cost
0.667

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Fallowsage

Score 0.887unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.922
Tags and themes
1.000
Color identity
1.000
Mana cost
0.333

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Grimoire Thief

Score 0.886unitless formula ranking

Creature — Merfolk Rogue · Mana cost: · Color identity: U

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

Score details
Text (embedding)
0.922
Tags and themes
0.667
Color identity
1.000
Mana cost
1.000

Shared tags

CreatureMerfolkTiming SorceryTriggered

Wanderwine Distracter

Score 0.886unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.921
Tags and themes
1.000
Color identity
1.000
Mana cost
0.333

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Saprazzan Heir

Score 0.884unitless formula ranking

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

Shared traits: Creature, Merfolk, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.929
Tags and themes
0.800
Color identity
1.000
Mana cost
0.667

Shared tags

CreatureMerfolkTiming SorceryTriggered

Seafloor Oracle

Score 0.884unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.945
Tags and themes
0.833
Color identity
1.000
Mana cost
0.500

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Cosi's Trickster

Score 0.878unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.936
Tags and themes
0.833
Color identity
1.000
Mana cost
0.500

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Whirlpool Rider

Score 0.878unitless formula ranking

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

Shared traits: Creature, Merfolk, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.918
Tags and themes
0.800
Color identity
1.000
Mana cost
0.667

Shared tags

CreatureMerfolkTiming SorceryTriggered

Drowner Initiate

Score 0.877unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.934
Tags and themes
0.833
Color identity
1.000
Mana cost
0.500

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Storm Sculptor

Score 0.877unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.907
Tags and themes
1.000
Color identity
1.000
Mana cost
0.333

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Academy Loremaster

Score 0.876unitless formula ranking

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

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

Score details
Text (embedding)
0.904
Tags and themes
0.667
Color identity
1.000
Mana cost
1.000

Shared tags

CreatureWizardTiming SorceryTriggered

Watertrap Weaver

Score 0.875unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.889
Tags and themes
1.000
Color identity
1.000
Mana cost
0.417

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Talrand, Sky Summoner

Score 0.872unitless formula ranking

Legendary Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.926
Tags and themes
0.833
Color identity
1.000
Mana cost
0.500

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Salvager of Secrets

Score 0.872unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.932
Tags and themes
0.833
Color identity
1.000
Mana cost
0.458

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Alandra, Sky Dreamer

Score 0.872unitless formula ranking

Legendary Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.925
Tags and themes
0.833
Color identity
1.000
Mana cost
0.500

Shared tags

CreatureMerfolkWizardTiming SorceryTriggered

Stern Proctor

Score 0.869unitless formula ranking

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

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

Score details
Text (embedding)
0.892
Tags and themes
0.667
Color identity
1.000
Mana cost
1.000

Shared tags

CreatureWizardTiming SorceryTriggered

Shaper Apprentice

Score 0.868unitless formula ranking

Creature — Merfolk Wizard · Mana cost: · Color identity: U

Shared traits: Creature, Merfolk, Wizard · Same color identity

Score details
Text (embedding)
0.903
Tags and themes
0.800
Color identity
1.000
Mana cost
0.667

Shared tags

CreatureMerfolkWizardTiming Sorcery
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 (0.602); 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.

Printings
SetLanguageCollectorReleasedRarityPrice
Mystery Booster 2en1752024-08-02rare$20.56
Secret Lair Dropen12802023-04-23rare$119.26
Magic Online Promosen799092020-02-07rare—
Theros Beyond Deathko732020-01-24rare—
Theros Beyond Deathde732020-01-24rare—
Theros Beyond Deathen3082020-01-24rare$27.12
Theros Beyond Deathpt732020-01-24rare—
Theros Beyond Deathja732020-01-24rare—
Theros Beyond Deathzht732020-01-24rare—
Theros Beyond Deathen732020-01-24rare$21.93
Theros Beyond Deathfr732020-01-24rare—
Theros Beyond Deathit732020-01-24rare—
Theros Beyond Deathru732020-01-24rare—
Theros Beyond Death Promosen73s2020-01-24rare—
Theros Beyond Deathes732020-01-24rare—
Theros Beyond Deathzhs732020-01-24rare—
Theros Beyond Death Promosen73p2020-01-24rare$25.56