Tendrils of Corruption
Darkness doesn't always send its minions to do its dirty work.
54 DDD • ENVance Kovacs
™ & © 1993—2009 Wizards of the Coast
Legal in: Modern,Time Spiral Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Singleton 100,Commander
Oracle Text (click to copy):
View this MTG card on Gatherer
10/1/2009 The amount of life you gain is equal to the number of Swamps you control, not the amount of damage Tendrils of Corruption deals (in case some of it is prevented). 10/1/2009 If the targeted creature is an illegal target by the time Tendrils of Corruption would resolve, the entire spell is countered. You won't gain any life.