Corrosive Mentor [Shadowmoor] XY135 while this card is in

while this card is in your GY (except during the Damage Step): You can Set this card

During your Main Phase: You can activate this effect

Set: Diamond & Pearl: Secret Wonders Type: Grass Rarity: Holo Rare Retreat cost: Colorless

if this card attacked: Destroy the monster this card attacked

This card cannot be Tributed except for a Tribute Su

Corrosive Mentor [Shadowmoor] XY135 while this card is inSet: Shadowmoor Type: Creature Elemental Rogue Rarity: 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.