You can only control 1 ""Noble Arms - Caliburn"". Equip only to a Warrior-Type monster. It gains 500 ATK. Once per turn: You can gain 500 LP. If this face-up card on the field is destroyed and sent to the Graveyard: You can target 1 Warrior-Type ""Noble Knight"" monster you control; equip this card to that target. You can only use this effect of ""Noble Arms - Caliburn"" once per turn.