The Lost Blade of the Ultraviolence Dragon. It's anger has created an artificial basic sentience, as it feeds off the life of its new wielder.
This card can be your buddy! [Equip Cost] [Pay 1 gauge & Pay 1 life] When this card attacks, drop the top three cards of your deck. If you do, put as many «Dark Light Dragon» monsters from among them into this card’s soul. If you put two or more through this effect, [Stand] this card. You may only use this ability once per turn. This card gains the power, defense, and critical of all «Dark Light Dragon» monsters in this card’s soul All 《Dark Light Dragon》 on your field cannot be destroyed by your opponent's card effects. [Soulguard][Penetrate]
Darklight – Rayblade can be found in the following set: