Withering Wisps
ad1e6ae5-c972-42c0-ae78-f203873aeeb1
$0.50 CND
At the beginning of the end step, if no creatures are on the battlefield, sacrifice Withering Wisps.
{B}: Withering Wisps deals 1 damage to each creature and each player. Activate this ability no more times each turn than the number of snow Swamps you control.