Stagger Blows

Whenever you would take damage put a stagger counter for each 1 damage, and a blow counter on Stagger Blows. On each upkeep remove stagger counters equal to the number of blow counters on Stagger Blows and lose that much life.
{x}: Remove X stagger counters from Stagger Blows, it's controller loses X life. Any player may use this ability.