name: Withering Wisps
originalText: At the end of any turn, if there are no creatures in play, bury Withering Wisps.
  {B} Withering Wisps deals 1 damage to each creature and each player. You cannot spend more {B} in this way each turn than the number of snow-covered swamps you control.
printings: ICE, ME2
text: At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment.
  {B}: This enchantment deals 1 damage to each creature and each player. Activate no more times each turn than the number of snow Swamps you control.
type: Enchantment