Is Mercurial Heart 1st Edition Booster Box worth opening?

Mercurial Heart 1st Edition Booster Box is currently worth opening on expected value: $1,963.21 of expected singles per box vs a $189.99 price (10×). It is worse to open than 30 days ago. 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.

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Grand Archive TCG

Mercurial Heart 1st Edition Booster Box

Name: Mercurial Heart 1st Edition Booster Box
Brand: Grand Archive TCG
SKU: grand-archive-tcg-mercurial-heart-mercurial-heart-1st-edition-booster-box
Price: 189.99 USD
Availability: InStock

Booster Box

Current Price

$189.99

7D Change

30D Change

Last updated: Oct 8, 2026

Browse Mercurial Heart Cards →

Monthly Price History

Month	Avg	Low	High
Oct 2026	$189.99	$189.99	$189.99
Sep 2026	$189.99	$189.99	$189.99
Aug 2026	$180.24	$167.49	$189.99
Jul 2026	$167.49	$167.49	$167.49
Jun 2026	$166.24	$159.99	$167.49
May 2026	$157.62	$149.99	$161.24
Apr 2026	$162.12	$161.24	$162.99

Worth Opening?

vs Mercurial Heart singles

Expected singles / box

$1,963.21

Box price

$189.99

Value ratio

10×

vs 30d ago

▼ worse

$1,963.21 of expected singles value vs $189.99 box price — worse to open than 30 days ago. Expected pulls are worth 10× the box price on average (was 12×).

Expected singles value is a model estimate from set-wide Inkwell Fair Values and typical pull rates — actual boxes vary. Not a guarantee.

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Frequently Asked Questions

Is Mercurial Heart 1st Edition Booster Box worth opening?: Mercurial Heart 1st Edition Booster Box is currently worth opening on expected value: $1,963.21 of expected singles per box vs a $189.99 price (10×). It is worse to open than 30 days ago. 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.