Seaside Haven
Onslaught · #323

Seaside Haven

Seaside Haven is a Uncommon Land from Onslaught (323) in Magic: The Gathering. Mana cost 0 CMC. Color identity: U, W. Cactaur's latest catalog snapshot shows a market reference near $17.41 for ungraded copies.

Onslaught set collectorsCommander deck buildersFormat legality shoppers [object Object][object Object][object Object][object Object][object Object][object Object]
TCGPlayer market $17.41
Cardmarket trend €0.30
Rarity Uncommon
App coming soon

Who is this card for?

Seaside Haven suits collectors and players working on Onslaught who need the Uncommon slot. Legal in legacy, vintage, commander, oathbreaker. Confirm the exact printing and language before buying for a deck list.

What is Seaside Haven from Onslaught?

Seaside Haven is a Land in Onslaught numbered 323. Mana cost 0 CMC. Color identity: U, W. Seaside Haven (323) is a format-relevant Land in Onslaught with legality in legacy, vintage, commander, oathbreaker. Deck demand and reprint risk often explain price as much as rarity alone.

What is Seaside Haven worth today?

Cactaur tracks a market reference near $17.41 for Seaside Haven. Low and high spread runs $17.41 to null. Per-finish references: cardmarket: $0.30; foil: $17.41; Normal: $0.68. This printing is from Onslaught. Collector number 323 distinguishes this printing from same-name cards in other sets.

SetOnslaught
Number323
RarityUncommon
TCGPlayer USD$17.41
Cardmarket EUR€0.30
cardmarket $0.30
foil $17.41
Normal $0.68

How collectible is Seaside Haven?

Seaside Haven is a Uncommon printing in Onslaught. Commander demand can sustain prices even when Standard supply is deep. This printing is from Onslaught. Collector number 323 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Uncommon. The set released in 2002.

What are the key details for Seaside Haven?

Seaside Haven lists as Land. Artist: Mark Brill. Rules text is indexed in the catalog for search and deck research. This printing is from Onslaught. Collector number 323 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Uncommon. The set released in 2002.

Cactaur's take

Seaside Haven (323) is a format-relevant Land in Onslaught with legality in legacy, vintage, commander, oathbreaker. Deck demand and reprint risk often explain price as much as rarity alone.

Pros

  • Seaside Haven is catalogued as Uncommon Land in Onslaught, making set and collector number verification straightforward.
  • Public market data shows a reference near $17.41 across finishes (cardmarket: $0.30; foil: $17.41; Normal: $0.68).
  • Mana cost 0 CMC and type line Land 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 $17.41 as a benchmark, then adjust for finish, grade, and how quickly you need to buy or sell.

FAQ

What is Seaside Haven from Onslaught?

Seaside Haven is a Uncommon Land from Onslaught numbered 323 in Magic: The Gathering. Cactaur indexes set, rarity, mana cost, and market references for this printing.

How much is Seaside Haven worth?

Cactaur's catalog snapshot shows a market reference near $17.41 for ungraded Seaside Haven. Condition, finish, and recent sold comps can move realized prices above or below that benchmark.

What rarity is Seaside Haven?

Seaside Haven is catalogued as Uncommon in Onslaught. Use the collector number and set symbol on listings to confirm you are buying this exact printing.

Is Seaside Haven legal in Commander or Standard?

Seaside Haven 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.

Should I buy Seaside Haven near mint or played?

Near-mint copies command the catalog reference near $17.41. Heavily played copies trade lower unless the card is a chase rare where any clean copy is scarce.

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.