Corrosive Mentor [Shadowmoor] Black Set: Onslaught Type: Land Rarity:

Set: Onslaught Type: Land Rarity: Rare {T}

−6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}

Shuffle Green Sun's Zenith into its owner's library

Set: Portal Three Kingdoms Type: Creature — Human Mystic Rarity: Rare Cost: {2}{G} Taoist Mystic can't be blocked by creatures with horsemanship

When Aretopolis has ten or more scroll counters on it

Corrosive Mentor [Shadowmoor] Black Set: Onslaught Type: Land Rarity:Set: Shadowmoor Type: Creature Elemental Rogue Uncommon Cost: {2}{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.