Liliana developed a fondness for the moment when roaring becomes squealing.
55 DDD • ENZoltan Boros & Gabor Szikszai
™ & © 1993—2009 Wizards of the Coast
Legal in: Modern,Odyssey Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Singleton 100,Commander
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7/1/2012 The effect is based on the number of Swamps you control when Mutilate resolves. Only creatures on the battlefield at that time will be affected. The effect won't change later in the turn, even if the number of Swamps you control changes.