You can send the top 2 cards of your Deck to the Graveyard, then, if there is a Lightsworn monster among those cards, this card gains 200 ATK until your opponent s End Phase. You can only use this effect of Raiden, Hand of the Lightsworn once per turn. During each of your End Phases: Send the top 2 cards of your Deck to the Graveyard. You must control this face-up card to activate and to resolve this effect.