flavorText: Entire trees were stripped of their bark and branches by the wurm's writhing path.
name: Winding Wurm
originalText: Echo (During your next upkeep after this permanent comes under your control, pay its casting cost or sacrifice it.)
printings: USG
text: Echo {4}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)