The 2022 30th Anniversary Edition Underground Sea (Card #281) is a dual land card from Magic: The Gathering, providing flexible black and blue mana production.
Underground Sea
2022 • Magic: The Gathering • 30th Anniversary Edition
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Market & Price History
| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$599.99 | Guide Estimate | +52.5% | ||
- $599.99
- Source
- Guide Estimate
- Trend
- +52.5%
- Price Details
30-day Price History
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Sep 17, 2026
Description
Released in 2022 to celebrate three decades of the franchise, the 30th Anniversary Edition Underground Sea stands as a cornerstone for Magic: The Gathering collectors. Designated as card number 281, this rare dual land is highly sought after for its pivotal role in the game's mana system. Unlike single-type lands, this card functions as both an Island and a Swamp, allowing players to generate either blue or black mana by tapping it. This versatility makes it an essential component in deck construction, bridging color requirements that would otherwise demand two separate land cards. The card's enduring appeal stems from its functional design and historical significance within the Magic: The Gathering trading card game. As a dual land, it offers efficiency that single lands cannot match, providing strategic depth in multiplayer formats and complex deck archetypes. The 30th Anniversary Edition brings this iconic card into the modern era with a premium presentation that honors the game's legacy. For investors and hobbyists alike, the Underground Sea represents more than just a gameplay tool; it is a piece of gaming history. The 2022 iteration captures the essence of the original while offering a fresh, collectible format. Whether you are building a library of rare lands or focusing on the 30th Anniversary set completion, this card remains a staple. Its ability to produce two different colors of mana ensures its relevance in the evolving Meta, making it a durable asset for any serious collection. The card's simple yet powerful rule set—adding one mana of either type—underscores the elegant design principles that have kept Magic: The Gathering relevant for thirty years.
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Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Catalog Profile
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Featured Subject
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Featured
Underground Sea
Game
Magic: The Gathering
TCG Attributes
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Rare
Rob Alexander
Card Stock
English
Land — Island Swamp
Card Text
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({T}: Add {U} or {B}.)










