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Eighth Edition, #303 / 357, Magic: The Gathering
Names in other languages: Verborgenes Wissen (DE) · Mina aullante (ES) · Mine rugissante (FR) · Miniera Ululante (IT) · 吠えたける鉱山 (JA) · Mina Uivadora (PT)
Reference price – limited data, Raw
Reference price – limited data: US$2.00
A reference price rests on few or older data points or on a single source and is not a confirmed market value. Check further sources before buying or selling.
Updated 15 Nov 2026, 2 sources, method pe-1.3.Exchange rates: ECB reference rates of 13 Nov 2026.
Daily estimate with uncertainty band
Raw and graded values are calculated separately and never mixed.
| Grade | Value | vs. raw | Data quality |
|---|---|---|---|
| Reference price – limited data: US$2.00 | – |
Sales and listings for this variant and grade
No individual sales recorded yet. Price data evaluated: 2 sources.
Marketplace figures for this variant and grade, in the source’s currency and converted
| Marketplace | Figure | Price | ≈ in USD | As of |
|---|---|---|---|---|
Cardmarket (opens in a new tab)via Scryfall | Price | €1.78 |
Offers, auctions and sold prices at other providers – chosen for your country and this item.
The links open the providers’ pages in a new tab. Prices there are the providers’ offers or results, not a valuation by HoloFoilX.
Shown for: Switzerland.
At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.
Where the numbers come from and how current they are
Daily TCGplayer (USD) and Cardmarket (EUR) prices republished by Scryfall; Scryfall marks prices as not guaranteed.
Derived from completed sales
Provider methodology not disclosed
Card data and images: Scryfall · Magic: The Gathering © Wizards of the Coast
Values are estimates, not offers or investment advice. Asking prices are shown separately and never treated as proof of value.
There is no market data for graded copies of this variant yet.
Values of graded copies are estimates and appear only where data exists. They say nothing about the grade of your card; only grading companies assign official grades.
| approximately US$1.97 |
| 14 Nov 2026 |
TCGplayervia Scryfall | Market price | US$5.37 | already in your currency | 14 Nov 2026 |
Figures from the providers, not a valuation by HoloFoilX. Converted at ECB reference rates of 13 Nov 2026. Card data and images: Scryfall · Magic: The Gathering © Wizards of the Coast
Opens the search results on ebay.ch: sellers’ asking prices, not a valuation by HoloFoilX. Results may include other cards or versions.
View sold listings on eBay (opens in a new tab)Opens the list of sold listings on ebay.ch. HoloFoilX does not fetch or show these prices.
Other eBay sites:ebay.de (opens in a new tab)ebay.fr (opens in a new tab)ebay.it (opens in a new tab)ebay.com (opens in a new tab)
HoloFoilX is independent: no partnership with these companies, no payment for these links and no recommendation of any company. Our estimate is not an official grade.
Card data and images: Scryfall · Magic: The Gathering © Wizards of the Coast
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