Keening Stone
The Brothers' War Retro Artifacts · #89z

Keening Stone

Keening Stone is a Rare Artifact from The Brothers' War Retro Artifacts (89z) in Magic: The Gathering. Mana cost {6}. Cactaur's latest catalog snapshot shows a market reference near $276.25 for ungraded copies.

The Brothers' War Retro Artifacts set collectorsHigh-end singles buyersFinish-sensitive collectors [object Object][object Object][object Object][object Object][object Object][object Object]
TCGPlayer market $276.25
Cardmarket trend
Rarity Rare
App coming soon

Who is this card for?

Keening Stone suits collectors and players working on The Brothers' War Retro Artifacts who need the Rare slot. Treat $276.25 as a starting reference only — verify finish, border treatment, and condition before paying premium singles prices.

What is Keening Stone from The Brothers' War Retro Artifacts?

Keening Stone is a Artifact in The Brothers' War Retro Artifacts numbered 89z. Mana cost {6}. Keening Stone (89z) is a chase-tier Rare Artifact in The Brothers' War Retro Artifacts. Finish, border treatment, and grade drive most of the premium beyond raw near-mint quotes.

What is Keening Stone worth today?

Cactaur tracks a market reference near $276.25 for Keening Stone. Low and high spread runs $276.25 to null. This printing is from The Brothers' War Retro Artifacts. Collector number 89z distinguishes this printing from same-name cards in other sets. Catalogued rarity: Rare.

SetThe Brothers' War Retro Artifacts
Number89z
RarityRare
TCGPlayer USD$276.25
Cardmarket EUR
foil $276.25

How collectible is Keening Stone?

Keening Stone is a Rare printing in The Brothers' War Retro Artifacts. Chase-tier slots combine scarcity, art, and format demand — prices move with reprint news and tournament results. This printing is from The Brothers' War Retro Artifacts. Collector number 89z distinguishes this printing from same-name cards in other sets.

What are the key details for Keening Stone?

Keening Stone lists as Artifact with keywords Mill. Artist: Warren Mahy. Rules text is indexed in the catalog for search and deck research. This printing is from The Brothers' War Retro Artifacts. Collector number 89z distinguishes this printing from same-name cards in other sets.

Cactaur's take

Keening Stone (89z) is a chase-tier Rare Artifact in The Brothers' War Retro Artifacts. Finish, border treatment, and grade drive most of the premium beyond raw near-mint quotes.

Pros

  • Keening Stone is catalogued as Rare Artifact in The Brothers' War Retro Artifacts, making set and collector number verification straightforward.
  • Public market data shows a reference near $276.25.
  • Mana cost {6} and type line Artifact 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 $276.25 as a benchmark, then adjust for finish, grade, and how quickly you need to buy or sell.

FAQ

What is Keening Stone from The Brothers' War Retro Artifacts?

Keening Stone is a Rare Artifact from The Brothers' War Retro Artifacts numbered 89z in Magic: The Gathering. Cactaur indexes set, rarity, mana cost, and market references for this printing.

How much is Keening Stone worth?

Cactaur's catalog snapshot shows a market reference near $276.25 for ungraded Keening Stone. Condition, finish, and recent sold comps can move realized prices above or below that benchmark.

What rarity is Keening Stone?

Keening Stone is catalogued as Rare in The Brothers' War Retro Artifacts. Use the collector number and set symbol on listings to confirm you are buying this exact printing.

Is Keening Stone legal in Commander or Standard?

Keening Stone shows format legality in historic, timeless, gladiator, modern based on our latest ingest. Always verify the exact printing and ban-list updates before registering a deck for an event.

Why does Keening Stone trade at a premium?

Keening Stone 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 The Brothers' War Retro Artifacts.

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.