![Corrosive Mentor [Shadowmoor]](https://cdn.shopify.com/s/files/1/0451/3388/9694/files/b53a03ce-4609-5f63-9694-274664b9d780.jpg?v=1720253222)
Corrosive Mentor [Shadowmoor]
| Set: | Shadowmoor |
| Type: | Creature — Elemental Rogue |
| Rarity: | Uncommon |
| Cost: | 2B |
| Colors: | B |
Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)
Guttering cinders stoke their dying flames by snuffing out the lights of others.