How is the sealed product price tracked?

We track sealed product prices daily from major TCG marketplaces. The chart shows historical price movement over time.

What does the value ratio mean?

The value ratio compares the sealed product's price to the total value of cards in its associated set. A ratio below 1.0 suggests the sealed product costs less than the expected card value.

How often are sealed prices updated?

Sealed product prices update daily as part of our automated price pipeline.

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Magic: The Gathering

Mirrodin Besieged - Phyrexian Faction Booster Pack

Month	Avg	Low	High
Aug 2026	$26.95	$25.85	$27.72
Jul 2026	$25.85	$25.85	$25.85
Jun 2026	$25.71	$25.34	$25.85
May 2026	$26.24	$25.56	$26.67
Apr 2026	$25.38	$24.88	$25.84
Mar 2026	$24.64	$24.61	$24.88

Mirrodin Besieged - Phyrexian Faction Booster Pack

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Mirrodin Besieged - Phyrexian Faction Booster Pack

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Frequently Asked Questions