Mishra's Workshop (Antiquities) price

Based on the catalog results you have on screen, the Mishra's Workshop (Antiquities) card has a used sold value of $2891.72 [1]. The Mishra's Workshop card (without the Antiquities variant) has a used sold value of $2700 [2].

The value of these cards is driven by their rarity and their role in the Magic: The Gathering ecosystem. Since these are high-value collectibles, checking the live eBay listings shown on your screen is the best way to compare the current asking prices against these established sold-comp values.