MTG >Combos >Card with Free Sacrifice ability +Cathars' Crusade +Murderous Redcap +

With both cards in play, sacrifice Murderous Redcap Persist will trigger, returning Murderous Redcap to the battlefield. Cathars' Crusade's ability will trigger, putting a +1/+1 counter on Murderous Redcap +1/+1 and -1/-1 counters nullify each other. Repeat the process for infinite damage