Magic: the Gathering (MTG) 1/1 Creature — Wurm card from The Dark courtesy of Deckmaster
Water Wurm gains +0/+1 if opponent controls at least one island.
DK • ENRon Spencer
™ & © 1993—1994 Wizards of the Coast
Legal in: Legacy,Vintage,Commander
10/4/2004 Only gets the bonus once even if more than one opponent has an Island on the battlefield.