Underground Sea
Collectors' Edition · #286

Underground Sea

Underground Sea is a Rare Land — Island Swamp from Collectors' Edition (286) in Magic: The Gathering. Mana cost 0 CMC. Color identity: B, U. Cactaur's latest catalog snapshot shows a market reference near $369.50 for ungraded copies.

Collectors' Edition set collectorsHigh-end singles buyersFinish-sensitive collectors [object Object][object Object][object Object][object Object][object Object][object Object]
TCGPlayer market $369.50
Cardmarket trend €418.98
Rarity Rare
App coming soon

Who is this card for?

Underground Sea suits collectors and players working on Collectors' Edition who need the Rare slot. Treat $369.50 as a starting reference only — verify finish, border treatment, and condition before paying premium singles prices.

What is Underground Sea from Collectors' Edition?

Underground Sea is a Land — Island Swamp in Collectors' Edition numbered 286. Mana cost 0 CMC. Color identity: B, U. Underground Sea (286) is a chase-tier Rare Land — Island Swamp in Collectors' Edition. Finish, border treatment, and grade drive most of the premium beyond raw near-mint quotes.

What is Underground Sea worth today?

Cactaur tracks a market reference near $369.50 for Underground Sea. Low and high spread runs $369.50 to null. Per-finish references: cardmarket: $418.98; Normal: $369.50. This printing is from Collectors' Edition. Collector number 286 distinguishes this printing from same-name cards in other sets.

SetCollectors' Edition
Number286
RarityRare
TCGPlayer USD$369.50
Cardmarket EUR€418.98
cardmarket $418.98
Normal $369.50

How collectible is Underground Sea?

Underground Sea is a Rare printing in Collectors' Edition. Chase-tier slots combine scarcity, art, and format demand — prices move with reprint news and tournament results. This printing is from Collectors' Edition. Collector number 286 distinguishes this printing from same-name cards in other sets.

What are the key details for Underground Sea?

Underground Sea lists as Land — Island Swamp. Artist: Rob Alexander. Rules text is indexed in the catalog for search and deck research. This printing is from Collectors' Edition. Collector number 286 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Rare.

Cactaur's take

Underground Sea (286) is a chase-tier Rare Land — Island Swamp in Collectors' Edition. Finish, border treatment, and grade drive most of the premium beyond raw near-mint quotes.

Pros

  • Underground Sea is catalogued as Rare Land — Island Swamp in Collectors' Edition, making set and collector number verification straightforward.
  • Public market data shows a reference near $369.50 across finishes (cardmarket: $418.98; Normal: $369.50).
  • Mana cost 0 CMC and type line Land — Island Swamp help deck builders confirm the correct printing quickly.

Cons

  • Raw market prices vary by condition and finish — near-mint estimates are not slab grades.

Verdict: Use $369.50 as a benchmark, then adjust for finish, grade, and how quickly you need to buy or sell.

FAQ

What is Underground Sea from Collectors' Edition?

Underground Sea is a Rare Land — Island Swamp from Collectors' Edition numbered 286 in Magic: The Gathering. Cactaur indexes set, rarity, mana cost, and market references for this printing.

How much is Underground Sea worth?

Cactaur's catalog snapshot shows a market reference near $369.50 for ungraded Underground Sea. Condition, finish, and recent sold comps can move realized prices above or below that benchmark.

What rarity is Underground Sea?

Underground Sea is catalogued as Rare in Collectors' Edition. Use the collector number and set symbol on listings to confirm you are buying this exact printing.

Is Underground Sea legal in Commander or Standard?

Underground Sea shows format legality in legacy, vintage, commander, oathbreaker based on our latest ingest. Always verify the exact printing and ban-list updates before registering a deck for an event.

Why does Underground Sea trade at a premium?

Underground Sea combines Rare scarcity with art, finish, and format demand. Chase slots often move on reprint rumors, tournament results, and condition-sensitive buyer interest. This printing is from Collectors' Edition.

Related cards

Trust & data sources. Cactaur displays catalog and market data from pokemontcg.io embedded TCGPlayer/Cardmarket references. Prices change frequently and are not guarantees.

Cactaur does not authenticate cards or guarantee values. Scan your copy in the iPhone app for condition-aware guidance.

Catalog snapshot: 2026-06-23. Last updated: 2026-06-23.