Unholy Grotto
Onslaught · #327

Unholy Grotto

Unholy Grotto is a Rare Land from Onslaught (327) in Magic: The Gathering. Mana cost 0 CMC. Color identity: B. Cactaur's latest catalog snapshot shows a market reference near $55.63 for ungraded copies.

Onslaught set collectorsHigh-end singles buyersFinish-sensitive collectors [object Object][object Object][object Object][object Object][object Object][object Object]
TCGPlayer market $55.63
Cardmarket trend €5.03
Rarity Rare
App coming soon

Who is this card for?

Unholy Grotto suits collectors and players working on Onslaught who need the Rare slot. Treat $55.63 as a starting reference only — verify finish, border treatment, and condition before paying premium singles prices.

What is Unholy Grotto from Onslaught?

Unholy Grotto is a Land in Onslaught numbered 327. Mana cost 0 CMC. Color identity: B. Unholy Grotto (327) is a chase-tier Rare Land in Onslaught. Finish, border treatment, and grade drive most of the premium beyond raw near-mint quotes. This printing is from Onslaught.

What is Unholy Grotto worth today?

Cactaur tracks a market reference near $55.63 for Unholy Grotto. Low and high spread runs $55.63 to null. Per-finish references: cardmarket: $5.03; foil: $55.63; Normal: $6.59. This printing is from Onslaught. Collector number 327 distinguishes this printing from same-name cards in other sets.

SetOnslaught
Number327
RarityRare
TCGPlayer USD$55.63
Cardmarket EUR€5.03
cardmarket $5.03
foil $55.63
Normal $6.59

How collectible is Unholy Grotto?

Unholy Grotto is a Rare printing in Onslaught. Chase-tier slots combine scarcity, art, and format demand — prices move with reprint news and tournament results. This printing is from Onslaught. Collector number 327 distinguishes this printing from same-name cards in other sets.

What are the key details for Unholy Grotto?

Unholy Grotto lists as Land. Artist: John Avon. Rules text is indexed in the catalog for search and deck research. This printing is from Onslaught. Collector number 327 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Rare. The set released in 2002.

Cactaur's take

Unholy Grotto (327) is a chase-tier Rare Land in Onslaught. Finish, border treatment, and grade drive most of the premium beyond raw near-mint quotes.

Pros

  • Unholy Grotto is catalogued as Rare Land in Onslaught, making set and collector number verification straightforward.
  • Public market data shows a reference near $55.63 across finishes (cardmarket: $5.03; foil: $55.63; Normal: $6.59).
  • 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 $55.63 as a benchmark, then adjust for finish, grade, and how quickly you need to buy or sell.

FAQ

What is Unholy Grotto from Onslaught?

Unholy Grotto is a Rare Land from Onslaught numbered 327 in Magic: The Gathering. Cactaur indexes set, rarity, mana cost, and market references for this printing.

How much is Unholy Grotto worth?

Cactaur's catalog snapshot shows a market reference near $55.63 for ungraded Unholy Grotto. Condition, finish, and recent sold comps can move realized prices above or below that benchmark.

What rarity is Unholy Grotto?

Unholy Grotto is catalogued as Rare in Onslaught. Use the collector number and set symbol on listings to confirm you are buying this exact printing.

Is Unholy Grotto legal in Commander or Standard?

Unholy Grotto 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 Unholy Grotto trade at a premium?

Unholy Grotto 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 Onslaught.

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.