Wailing Weapon

Touch a weapon that either you or a creature next to you is carrying. When a creature is successfully attacked with this weapon it gains 1 mark. As a bonus action on your turn you can spend all marks currently on any creatures to deal the weapon's damage (not including bonuses from magic such as +1 or fire damage; etc.) up to a number of times equal to the ammount of marks on it. If a creature is more than 20 feet away from you, the caster, it takes no damage. Spending the marks also ends this spells effects on the weapon. A creature can have no more than 6 marks on it.