Guardian combines marketplace prices, recent sold listings, graded-card estimates, and cross-market checks into one daily card value. We separate raw and graded prices where data is available, ignore obvious outliers, and update card pages as new market data arrives.
Corrosive Mentor [Foil] is a card from the Shadowmoor set of Magic: The Gathering, classified as an Unknown rarity. Currently valued at $15.98, it draws interest from collectors and players alike due to its unique mechanics and foil treatment. The card's market presence reflects its appeal in various deck strategies, making it a noteworthy addition for those focusing on the Shadowmoor series or foil variants.
Track Corrosive Mentor [Foil] price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.
How much is Corrosive Mentor [Foil] from Magic Shadowmoor worth?
Corrosive Mentor [Foil] from Magic Shadowmoor is currently worth $15.98 in 2026. Prices are updated daily from multiple sources.
How rare is Corrosive Mentor [Foil] in Magic Shadowmoor?
Corrosive Mentor [Foil] is a Unknown card from the Magic Shadowmoor set in Magic: The Gathering.
Is Corrosive Mentor [Foil] going up in value?
Corrosive Mentor [Foil] has decreased 0.0% in the last 7 days. Current Guardian Estimate: $15.98.
Where can I buy Corrosive Mentor [Foil]?
You can compare prices and buy Corrosive Mentor [Foil] on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $15.98.
How much is Corrosive Mentor [Foil] from Magic Shadowmoor worth?
Corrosive Mentor [Foil] from Magic Shadowmoor is currently worth $15.98 in 2026. Prices are updated daily from multiple sources.
How rare is Corrosive Mentor [Foil] in Magic Shadowmoor?
Corrosive Mentor [Foil] is a Unknown card from the Magic Shadowmoor set in Magic: The Gathering.
Is Corrosive Mentor [Foil] going up in value?
Corrosive Mentor [Foil] has decreased 0.0% in the last 7 days. Current Guardian Estimate: $15.98.
Where can I buy Corrosive Mentor [Foil]?
You can compare prices and buy Corrosive Mentor [Foil] on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $15.98.
High-value cards to discover
Internal discovery links for inventory flagged as under-linked.