Activate 1 of these effects (but you can only use each effect of "Dragon's Light and Darkness" once per turn);
●Shuffle 1 Level 8 Dragon monster from your hand into the Deck and add 1 Level 8 Dragon monster with a different Attribute from your Deck to your hand.
●Target 1 Dragon monster you control; it gains ATK equal to its Level x 200.
●When a card or effect is activated that targets a Dragon monster you control: Negate that effect.