Deep Sea Diva
WATER 2

Deep Sea Diva

  • ATK:
  • 200

  • DEF:
  • 400

  • View:
  • 4627




When this card is Normal Summoned: You can Special Summon 1 Level 3 or lower Sea Serpent monster from your Deck.




 
 
AI Power Analysis
Starter / Combo enablerConfidence: MediumEvaluated Oct 8, 2026
64± 6/ 100
Power Score
Intrinsic 62
Deck 65

Deep Sea Diva — Power Evaluation

Final Score: 64 ± 6 · Confidence: Medium

  • Intrinsic: 62 · Deck: 65 · Meta: provisional
  • Primary role: Starter / Combo enabler · Secondary: Searcher/Tutor, Material body

Why it scores here

Deep Sea Diva converts one Normal Summon into a second body by Special Summoning a Level 3 or lower Sea Serpent from the Deck, and it is a clean Level 2 WATER Tuner that still works as material when its effect is negated. Its score comes from accessibility and deck cost: it is run in all 400 sampled decks across 34 archetypes at a low cost, with no garnet or lock. The high 200 ATK and 400 DEF earn nothing, and it has no interaction, so the score is capped in the mid-60s. Combo evidence is absent, so the combo axis rests on text-only inference.

Axis scores

Axis Score Evidence
Accessibility 72 Present in 400/400 sampled decks at about 1.56 copies each, but no combo starter or searched data exists, so live-when-drawn rests on the Normal Summon text (observed deck frequency, inferred live-ness).
Combo & Conversion 50 Text converts one Normal Summon into a second Level 3-or-lower Sea Serpent from the Deck; no combo boards were supplied, so the conversion is text-only inference.
Resource Economy 60 Deck-to-field Special Summon nets roughly +1 body from the Deck with no GY refuel or cost (verified from text).
Effect & Interaction 5 No negation, removal, or hand-trap reach in its text (verified from text).
Material Utility 72 Level 2 WATER Tuner is a clean material and stays a Tuner when its effect is negated (verified from text and attribute, inferred for material use).
Resilience & Flexibility 45 Negation removes the search but leaves a 200-ATK Tuner body; the single effect is fragile and has no multi-zone or multi-turn value (inferred from text).
Deck-Building Efficiency 80 Cheap Level 2 body with no garnet or lock, run at 1 to 3 copies across 100% of decks; splashable in principle (observed deck data, inferred splash).

Calculation

Weight profile: 0.7 Starter / Combo enabler + 0.3 Material body. Intrinsic ≈ 62, Deck ≈ 65, Meta = provisional. Modifiers: Compact cheap body (2). Final formula: 0.40*Intrinsic + 0.60*Deck

Strengths

  • Deck-to-field Special Summon from a Normal Summon, giving a second body
  • Level 2 WATER Tuner, a clean Synchro and material body
  • Present in 100% of sampled decks across 34 archetypes at low slot cost
  • Still a Tuner and material when its effect is negated

Weaknesses

  • Zero interaction: no negation, removal, or hand-trap reach
  • 200 ATK and 400 DEF give almost no board presence
  • Effect depends on a Normal Summon and on a Level 3-or-lower Sea Serpent being in the Deck
  • No combo evidence, so conversion beyond the second body is unproven

Counters / choke points

  • Negation of the on-Normal-Summon effect (the body survives as a Tuner)
  • Board-level interaction against the summoned Sea Serpent

Best use

Level 2 Tuner that converts a Normal Summon into a second Sea Serpent body. Decks: Mermail Atlantean, Atlantean, Deep Sea, Mermail.

Evidence & gaps

  • Verified: Deck-to-field Special Summon of a Level 3 or lower Sea Serpent from the Deck on Normal Summon (card text); Level 2 WATER Tuner, 200 ATK / 400 DEF (card data); Present in 400/400 sampled decks, 1.56 average copies (deck stats)
  • Observed: Top partners in 73-84% of decks, mostly Mermail and Atlantean (deck stats); Appears in 6 guides, including Mermail Atlantean and Icejade guides (guide mentions)
  • Inferred: Live-when-drawn is reasonable from the Normal Summon trigger (no once-per-turn or cost clauses in the supplied text); Clean material and Synchro body when the effect is negated (from Tuner type and attribute); Splashable with redundant copies (from deck-cost profile)
  • Data gaps: no combos supplied: combo conversion is text-only inference no banlist token: assumed 3 copies (unlimited) no rulings or once-per-turn wording beyond the supplied description usage_statistics limited to 5 archetypes











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