Card: Tendrils of Corruption
Casting Cost: 3B
Color: Green
Type: Instant
Rules Text: Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.

SetRarity
Duel Decks: Phyrexia vs. the CoalitionCommon
Duel Decks: Garruk vs. LilianaCommon
Magic 2010Common
Time SpiralCommon