Is Realm of the Sea Dragon Structure Deck [1st Edition] worth opening?

Realm of the Sea Dragon Structure Deck [1st Edition]: $32.82 of card set value vs a $69.13 price (0.47× value ratio). Expected value is a model estimate from set-wide Inkwell Fair Values and typical pull rates — individual boxes vary.

How is the sealed product price tracked?

We track sealed product prices daily and blend them into an Inkwell Fair Value. The chart shows historical price movement over time.

What does the value ratio mean?

The value ratio compares what you can expect to pull from the product (or, for products without a pack model, the total value of the set's singles) to the product's price. Above 1.0× means the expected singles are worth more than the price.

How often are sealed prices updated?

Sealed product prices and the value ratio update daily as part of our automated price pipeline.

📦

Yu-Gi-Oh!

Realm of the Sea Dragon Structure Deck [1st Edition]

Name: Realm of the Sea Dragon Structure Deck [1st Edition]
Brand: Yu-Gi-Oh!
SKU: yugioh-structure-deck-realm-of-the-sea-emperor-realm-of-the-sea-dragon-structure-deck-1st-edition
Price: 69.13 USD
Availability: InStock

Other

Current Price

$69.13

7D Change

30D Change

Last updated: Nov 2, 2026

Browse Structure Deck: Realm of the Sea Emperor Cards →

Monthly Price History

Month	Avg	Low	High
Nov 2026	$69.13	$69.13	$69.13
Oct 2026	$69.26	$69.13	$71.48
Sep 2026	$71.48	$71.48	$71.48
Aug 2026	$71.48	$71.48	$71.48
Jul 2026	$71.48	$71.48	$71.48
Jun 2026	$71.48	$71.48	$71.48
May 2026	$72.86	$71.48	$73.50

Value Ratio

vs Structure Deck: Realm of the Sea Emperor singles

Card set value

$32.82

Product price

$69.13

Value ratio

0.47×

vs 30d ago

≈ same

$32.82 of card set value vs $69.13 product price — about the same as 30 days ago. The set's 38 priced cards are worth 0.47× this product's price (was 0.48×).

Value ratio compares the card set value (the Inkwell Fair Value of the set's priced cards, sealed products excluded) to this product's price. Higher is better for buyers.

Top Cards from this Set

Poseidra, the Atlantean Dragon

Ultra Rare

$0.71

View all Structure Deck: Realm of the Sea Emperor cards →

More Yu-Gi-Oh! Sealed Products

Starter Deck: Kaiba [1st Edition North American English]

$4,499.95

25th Anniversary Ultimate Kaiba Set Briefcase

$3,200.00

Starter Deck: Yugi [1st Edition North American English]

$3,000.00

Masterpiece Series: Platinum Blue-Eyes White Dragon

$2,744.98

Cybernetic Revolution - Booster Box [1st Edition]

$1,937.47

Masterpiece Series: Platinum Dark Magician

$1,819.94

Browse all Yu-Gi-Oh! sealed products →

Frequently Asked Questions

Is Realm of the Sea Dragon Structure Deck [1st Edition] worth opening?: Realm of the Sea Dragon Structure Deck [1st Edition]: $32.82 of card set value vs a $69.13 price (0.47× value ratio). Expected value is a model estimate from set-wide Inkwell Fair Values and typical pull rates — individual boxes vary.
How is the sealed product price tracked?: We track sealed product prices daily and blend them into an Inkwell Fair Value. The chart shows historical price movement over time.
What does the value ratio mean?: The value ratio compares what you can expect to pull from the product (or, for products without a pack model, the total value of the set's singles) to the product's price. Above 1.0× means the expected singles are worth more than the price.
How often are sealed prices updated?: Sealed product prices and the value ratio update daily as part of our automated price pipeline.