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.