Corrosive Mentor

Magic card price for Corrosive Mentor: $18.47 market, from $18.25 at the cheapest listing, Foil printing, updated Oct 18, 2026. Full price history since Feb 8, 2024 below.

Market price · Foil · Oct 18, 2026

$18.47

0.0% this week · +3.4% in 30 days

Buy on eBay →

1 day0.0%

7 days0.0%

30 days+3.4%

90 days+14.7%

1 year+105.2%

All time+130.0%

Sellers right now

$18.25lowest listing$59.98highest

Market price$18.47

Mid listing$30.22

30-day avg$18.21

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$18.47

Cardmarket$13.71 €12.18

EUR converted at 1.1253 (ECB reference rate). Shipping and condition not included.

One year

$9.0052-week low$18.4752-week high

In the range100%

All-time low$7.20

All-time high$18.47

First priceFeb 8, 2024

Foil · market priceCardmarket (EU, in USD)

$2.76$8.49$14.22$19.95

$18.47

Oct 2025Feb 2026Jun 2026Oct 2026

TCGplayer · via tcgcsv · Cardmarket · via MTGJSONtcgrate.com

Price story

Our price record for Corrosive Mentor (Foil) begins in February 2024 at $8.03; the market price today is $18.47, up 130% since then. In the last year the price changed +105% and ranged from $9.00 to $18.47, and it now trades near the top of that range. This is the highest market price in our records for this card. The cheapest listing right now is $18.25, and the 30-day average market price is $18.21.

Printings

PrintingMarketLowHigh7d

Foil$18.47$18.25$59.980.0%

Normal$7.06$3.36$33.55+0.4%

The card in play

Power / Toughness1 / 3

Type line: Creature — Elemental Rogue

Rules text

Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

Flavor

Guttering cinders stoke their dying flames by snuffing out the lights of others.

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