Beat of the Ironsong [SUP251] (Super Slam)

Cost: 0 Choose X 1, where X is the number of 1POWER counters on an attacking Dawnblade; Target Dawnblade attack gets 1POWER. Target Dawnblade attack gets go again. Cards defending target Dawnblade attack can't gain DEFENSE. Damage target Dawnblade attack would deal can't be prevented.