name: Withering Wisps
originalText: At end of turn, if no creatures are in play, sacrifice Withering Wisps.\n{B}: Withering Wisps deals 1 damage to each creature and each player. Play this ability no more times each turn than the number of snow Swamps you control.
printings: ICE, ME2
text: At the beginning of the end step, if no creatures are on the battlefield, sacrifice Withering Wisps.\n{B}: Withering Wisps deals 1 damage to each creature and each player. Activate no more times each turn than the number of snow Swamps you control.