Underground Sea MTG Card


Card setsReleased in 15 setsSee all
RarityRare
TypeLand — Island Swamp

Key Takeaways

  1. Underground Sea is a dual land card known for its versatility and ability to fix mana in blue and black decks.
  2. This iconic card from the Revised Edition sees high play in Legacy and Vintage formats where it’s allowed.
  3. As part of the ‘Power Nine’, its value and rarity make it a sought-after collector’s item and investment piece.

Text of card

Counts as both swamp and islands and is affected by spells that affect either. Tap to add either o B or o U to your mana pool.


 

As part of the “dual lands” in Magic: The Gathering, Underground Sea remains a popular choice for competitive play. Despite not having any flavor text, the card’s value lies in its capacity to provide blue or black mana at an instant. Designed by Rob Alexander for the Revised Edition, Underground Sea’s illustration depicts a dark and murky underwater scene, embodying the combined forces of powerful water and the eerie shadow of the undead swamp, hence its dual mana types.Rob Alexander’s artwork on the Underground Sea illustrates shadows and depths, the might of the sea and the ominous presence of the swamp, capturing the essence of an environment where secrets and ancient power lurk in the darkness. Underground Sea’s card number in the Revised Edition set is 259 of 306. Being a part of this set, it is esteemed among players and collectors, substantially boosting its value in the trading community. It’s important to note that the card’s usage is allowed in Legacy, Vintage, and Commander formats only, and excluded from Modern, Pioneer, Standard, and Historic, providing a strategic choice for players crafting their decks. In summary, Underground Sea is a worthy gem in any MTG collection, having both strategic value in the game and significant importance in the game’s rich history.


The Winning Edge of Underground Sea

Card Advantage: Underground Sea facilitates a consistent flow of cards by providing dual colors of mana (blue and black). This smooth supply of resources can supplement your tricks, threats, and board position, leading to a better card advantage.

Resource Acceleration: As a land card, Underground Sea enters the battlefield untapped. It quickly becomes a reliable source of either blue or black mana, depending on your need. This swift availability accelerates your resource development and pushes forward your game plan.

Instant Speed: Underground Sea’s instant accessibility to mana is its key strength. The moment it hits the field, it’s ready to fuel spells of two different colors at an instant’s notice. This allows optimal utilization of mana and grants you a strategic upper hand throughout the game.


Underground Sea Cons

Discard Requirement: The Underground Sea MTG does not have any discard requirements. This fact could be seen as a disadvantage as it does not allow players to potentially use this as a strategy to manipulate their own deck or to gain any other possible advantages associated with discarding cards.

Specific Mana Cost: As one of the original dual lands, Underground Sea provides either black or blue mana, which might limit its usage to specific types of decks. Players running decks that require other colors might find this restrictive.

Comparatively High Mana Cost: Although there’s no mana cost to tap for blue or black mana, its financial cost is considerably high compared to other lands. This higher cost might deter some players from adding it to their decks, opting for more affordable lands instead.


Reasons to Include Underground Sea in Your Collection

Versatility: Underground Sea comfortably fits into many types of decks due to its dual nature. Being an Island and a Swamp, it accommodates strategies that require both blue and black mana, thereby providing a crucial edge in deck building.

Combo Potential: Underground Sea amplifies strategies that depend on land type manipulation or land count. Its dual land status triggers abilities and synergies in cards that specifically interact with Islands or Swamps.

Meta-Relevance: Considering the meta-game involving control or tempo strategies, the dual mana advantage offered by Underground Sea can be significantly valuable. It ensures mana-fixing, enabling responsive plays and maintaining consistent control over the game.


Similar Cards

Underground Sea is an exceptional Land card within the MTG universe. It finds close parallels with other dual-land cards such as Tundra and Volcanic Island. Just like Underground Sea, these cards can generate two types of mana without having any drawbacks. In essence, they are versatile and can seamlessly fit into multicolor decks.

Continuing our comparisons, another relevant card is Badlands. Also from the original dual lands, Badlands produces red and black mana, but doesn’t match Underground Sea’s usefulness in the prevalent blue-black decks in the legacy format. Similarly, Bayou, provides black and green mana, but lacks the command that Underground Sea holds in control and combo strategies.

There is also another class of cards, the Shock Lands such as Watery Grave. Comparable to Underground Sea in mana production, Watery Grave falls short due to the life payment required for it to enter untapped. Although it’s more affordable, it can sway the game’s balance with this health trade-off.

Upon comparison, Underground Sea’s remarkable utility in diverse strategies underscores why it’s highly-prized among MTG players. Despite the competition, it truly holds its unique position in the dynamic world of Magic: The Gathering.


How to Beat Underground Sea

Dismantling the advantages of Underground Sea, a highly sought-after card in Magic: The Gathering (MTG), requires a well-articulated strategy. As an original dual land, this card brings remarkable benefits to its user by generating either blue or black mana. This offers fluidity in deck building, allowing seamless integration of both blue and black spells in your arsenal.

One way to counter Underground Sea is by using cards like Wasteland. This spell has the unique capability to completely destroy a non-basic land such as Underground Sea. Other alternatives include Ghost Quarter and Field of Ruin, which also target and dismantle non-basic lands.

Furthermore, Blood Moon is another extremely potent card that neuters the power of Underground Sea. When Blood Moon is on the field, all non-basic lands turn into simple Mountains, reducing Underground Sea into a single red mana source.

To sum up, the prowess of Underground Sea is certainly noteworthy in MTG. However, its dominance can be disrupted with the right strategy and choice of cards, ensuring a dynamic and engaging gameplay.


Exploring the Depths of Underground Sea in Magic the Gathering

As you embark on this strategic journey through the realms of MTG, one of the crown jewels you may encounter is the Underground Sea, a card synonymous with prestige and power within the game. This card not only represents a key tactical asset but also stands as a historic piece in MTG’s illustrious history.

The Underground Sea represents one of the original dual lands, a testament to the game’s enduring design. Its unassuming facade belies the immense strategic depth it adds to your deck, granting you access to both black and blue mana without the typical downsides of nonbasic lands. In a game where mana flexibility can mean the difference between victory and defeat, the dual nature of this card can provide the edge savvy players seek.

Through MTG’s journey across countless expansions, the core mechanics remain deeply impacted by foundational cards like the Underground Sea. The fact that it comes into play untapped allows players to maintain the tempo and enhance their ability to react to an opponent’s actions. This has made the Underground Sea a highly sought after card for competitive and casual players alike. Given its scarcity and significance, it is no wonder that this card has also become a collectible gem, with its value only increasing through the sands of time.

The Rarity and Value of Underground Sea

Understanding the rarity of such a card is essential for collectors and players. A card from the Reserved List, the Underground Sea will never see reprints, ensuring its exclusivity remains intact. This artificial scarcity has kept its demand high in the MTG market, often commanding top dollar as both a competitive staple and a collector’s trophy. For investors, this card can represent a significant asset in a portfolio of collectible cards.

But the value of Underground Sea extends beyond just dollars and cents. For deck builders, it is a versatile cornerstone that opens up a huge array of strategic options. By effortlessly providing access to blue and black mana, it allows players to craft decks unfettered by mana constraints, smoothing out draws and enabling more consistent high-powered plays. This strategic utility amplifies its value not just in monetary terms but in the realm of gameplay as well.

Deck Building with Underground Sea

Successful deck building with the Underground Sea begins with recognition of its potential. As you incorporate this card into your deck, you will want to pair it with cards and strategies that leverage its assets. Decks revolving around control, combo, or those requiring complex mana bases benefit immensely from the inclusion of the Underground Sea.

Control decks, for example, that rely on counter spells and removal can utilize the quick and consistent access to blue and black mana. Combo decks, on the other hand, that might need specific casting costs at precise moments, find value in the flexibility that this card provides. Moreover, any multicolor deck scale in power when they have access to a stable mana foundation. With a card like Underground Sea at your disposal, your deck not only gains reliability but also the surprise factor of being able to deploy threats or defenses at a moment’s notice.

Finding and Acquiring Underground Sea

For those looking to add an Underground Sea to their collection or deck, there are a few pathways to follow. The MTG secondary market presents the most straightforward option, with specialized card shops, online platforms, and direct trades with other players offering routes to obtain it. However, due to its value, finding a fair deal requires due diligence and sometimes a bit of negotiation.

Trading with fellow players is not just a transaction; it’s a community-building exercise that has defined the MTG experience since its inception. When seeking out a card of such prominence, engaging with the MTG community can guide you to trusted sources and may even lead to friendships forged over a mutual appreciation of the game. Beware of counterfeits and always verify the condition and authenticity of high-value cards like the Underground Sea to ensure a legitimate and satisfactory acquisition.

Competitive Play and Underground Sea

In the realm of competitive play, the Underground Sea has a storied presence. This card features prominently in Eternal formats, such as Legacy and Vintage, where its legality and impact have been felt since their inception. The tactical advantages it offers, alongside an array of powerful spells from MTG’s vast catalogue, create a combination that can dominate games.

Competitors using decks featuring the Underground Sea often find themselves at an advantage, being able to cast pivotal spells without the constraint of choosing between two vital colors of mana. The psychological aspect also plays a role; the mere presence of an Underground Sea on the battlefield can make an opponent wary, as it signals a player’s access to a vast array of responses and strategies.

Legal Aspects, Format Relevance, and Rules

Understanding where the Underground Sea fits within MTG’s multitude of formats is critical. Aside from vintage and legacy formats, it is not legal in standard or pioneer games, which is a testament to its power level. It is important for players to be aware of format restrictions to avoid any missteps in organized play.

It is also essential for players to acquaint themselves with the comprehensive rules of MTG when using such powerful cards. Ensuring that you are using the Underground Sea within its legal confines is not only respectful to the game and its community but a matter of personal responsibility as a player.

Strategies and Deck Archetypes

The strategies and deck archetypes that can benefit from the Underground Sea are almost as deep as the card’s namesake. From blue-black control decks, reanimator strategies, or even rogue builds that combine unexpected synergies—this card is a force multiplier. The art of deck building is made richer through the inclusion of such versatile elements, spurring creativity and ingenuity among players.

When constructing a deck with the Underground Sea, consider synergistic cards that capitalize on its strengths—the legendary card Snapcaster Mage for flashback spells or the mighty Tarmogoyf which thrives on a diverse graveyard. Delve spells also get an edge, as you effortlessly optimize your mana for maximum effect.

Prepare yourself for a deeper dive into the MTG universe with the Underground Sea by your side. Tailor your arsenal, optimize your tactics, and you might just find yourself steering through the tides of battle towards victory with unmatched poise and strategy.

In conclusion

In conclusion, navigating the rich landscapes of Magic the Gathering requires strategy, insight, and a bit of adventure. Whether you’re planning your next big win or fine-tuning your deck for maximum impact, there’s always room to elevate your game. As you continue to delve into the MTG universe, remember that it’s not just about the single triumphs but the continuous journey towards mastery. We invite you to keep exploring this fascinating world, discovering new techniques, and unearthing valuable cards to ensure your next match is more than just a game, but a Big Score. Ready to level up your play? Join us to learn more and become the ultimate MTG champion.


Cards like Underground Sea

Underground Sea is an exceptional Land card within the MTG universe. It finds close parallels with other dual-land cards such as Tundra and Volcanic Island. Just like Underground Sea, these cards can generate two types of mana without having any drawbacks. In essence, they are versatile and can seamlessly fit into multicolor decks.

Continuing our comparisons, another relevant card is Badlands. Also from the original dual lands, Badlands produces red and black mana, but doesn’t match Underground Sea’s usefulness in the prevalent blue-black decks in the legacy format. Similarly, Bayou, provides black and green mana, but lacks the command that Underground Sea holds in control and combo strategies.

There is also another class of cards, the Shock Lands such as Watery Grave. Comparable to Underground Sea in mana production, Watery Grave falls short due to the life payment required for it to enter untapped. Although it’s more affordable, it can sway the game’s balance with this health trade-off.

Upon comparison, Underground Sea’s remarkable utility in diverse strategies underscores why it’s highly-prized among MTG players. Despite the competition, it truly holds its unique position in the dynamic world of Magic: The Gathering.

Tundra - MTG Card versions
Volcanic Island - MTG Card versions
Badlands - MTG Card versions
Bayou - MTG Card versions
Watery Grave - MTG Card versions
Tundra - Limited Edition Alpha (LEA)
Volcanic Island - Limited Edition Beta (LEB)
Badlands - Limited Edition Alpha (LEA)
Bayou - Limited Edition Alpha (LEA)
Watery Grave - Ravnica: City of Guilds (RAV)

Cards similar to Underground Sea by color, type and mana cost

River Delta - MTG Card versions
Underground River - MTG Card versions
Salt Marsh - MTG Card versions
Dimir Aqueduct - MTG Card versions
Temple of Deceit - MTG Card versions
Watery Grave - MTG Card versions
Clearwater Pathway // Murkwater Pathway - MTG Card versions
Darkwater Catacombs - MTG Card versions
Dreadship Reef - MTG Card versions
Secluded Glen - MTG Card versions
Jwar Isle Refuge - MTG Card versions
Drowned Catacomb - MTG Card versions
Darkslick Shores - MTG Card versions
Tainted Isle - MTG Card versions
Rootwater Depths - MTG Card versions
Sunken Hollow - MTG Card versions
Submerged Boneyard - MTG Card versions
Dismal Backwater - MTG Card versions
Choked Estuary - MTG Card versions
Dimir Guildgate - MTG Card versions
River Delta - Ice Age (ICE)
Underground River - Tales of Middle-earth Commander (LTC)
Salt Marsh - Starter Commander Decks (SCD)
Dimir Aqueduct - Ravnica: Clue Edition (CLU)
Temple of Deceit - Doctor Who (WHO)
Watery Grave - Ravnica: Clue Edition (CLU)
Clearwater Pathway // Murkwater Pathway - From Cute to Brute (PCTB)
Darkwater Catacombs - Fallout (PIP)
Dreadship Reef - The List (PLST)
Secluded Glen - Wilds of Eldraine Commander (WOC)
Jwar Isle Refuge - Commander Anthology Volume II (CM2)
Drowned Catacomb - Fallout (PIP)
Darkslick Shores - Phyrexia: All Will Be One (ONE)
Tainted Isle - Fallout (PIP)
Rootwater Depths - The List (PLST)
Sunken Hollow - Murders at Karlov Manor Commander (MKC)
Submerged Boneyard - Commander 2018 (C18)
Dismal Backwater - March of the Machine (MOM)
Choked Estuary - Doctor Who (WHO)
Dimir Guildgate - Ravnica: Clue Edition (CLU)

Where to buy

If you're looking to purchase Underground Sea MTG card by a specific set like Limited Edition Alpha and Limited Edition Beta, there are several reliable options to consider. One of the primary sources is your local game store, where you can often find booster packs, individual cards, and preconstructed decks from current and some past sets. They often offer the added benefit of a community where you can trade with other players.

For a broader inventory, particularly of older sets, online marketplaces like TCGPlayer, Card Kingdom and Card Market offer extensive selections and allow you to search for cards from specific sets. Larger e-commerce platforms like eBay and Amazon also have listings from various sellers, which can be a good place to look for sealed product and rare finds.

Additionally, Magic’s official site often has a store locator and retailer lists for finding Wizards of the Coast licensed products. Remember to check for authenticity and the condition of the cards when purchasing, especially from individual sellers on larger marketplaces.

Below is a list of some store websites where you can buy the Underground Sea and other MTG cards:

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Printings

The Underground Sea Magic the Gathering card was released in 14 different sets between 1993-08-05 and 2022-11-28. Illustrated by 3 different artists.

#ReleaseNameCodeSymbolNumberFrameLayoutBorderArtist
11993-08-05Limited Edition AlphaLEA 2851993normalblackRob Alexander
21993-10-04Limited Edition BetaLEB 2861993normalblackRob Alexander
31993-12-01Unlimited Edition2ED 2861993normalwhiteRob Alexander
41993-12-10Intl. Collectors' EditionCEI 2861993normalblackRob Alexander
51993-12-10Collectors' EditionCED 2861993normalblackRob Alexander
61994-04-01Foreign Black BorderFBB 2901993normalblackRob Alexander
71994-04-01Revised Edition3ED 2901993normalwhiteRob Alexander
81994-06-21Summer Magic / EdgarSUM 2901993normalwhiteRob Alexander
92002-06-24Magic Online PromosPRM 436241997normalblackCliff Childs
102008-09-22Masters Edition IIME2 2401997normalblackRob Alexander
112011-01-02Legacy ChampionshipOLGC 2016EU2015normalblackFilip Burburan
122011-01-10Masters Edition IVME4 2561997normalblackRob Alexander
132014-06-16Vintage MastersVMA 3232015normalblackCliff Childs
142022-11-2830th Anniversary Edition30A 2812015normalblackRob Alexander
152022-11-2830th Anniversary Edition30A 5781997normalblackRob Alexander

Legalities

Magic the Gathering formats where Underground Sea has restrictions

FormatLegality
OldschoolLegal
CommanderLegal
LegacyLegal
OathbreakerLegal
VintageLegal
DuelLegal
PredhLegal

Rules and information

The reference guide for Magic: The Gathering Underground Sea card rulings provides official rulings, any errata issued, as well as a record of all the functional modifications that have occurred.

DateText
2008-10-01 This has basic land types, but it isn’t a basic land. Things that affect basic lands don’t affect it. Things that affect basic land types do.
2008-10-01 This has the mana abilities associated with both of its basic land types.

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