Card Rulings:Double Dragon Descent

OCG Rulings

 * This card cannot be activated if you don't have a LIGHT Dragon-Type Xyz Monster in your Extra Deck to be Special Summoned.


 * This card can be activated even if the opponent's Xyz Monster declares a direct attack while you control a monster.


 * Damage calculation is performed by this effect. (A replay does not occur.)


 * The effects of a monster Special Summoned by this effect that activate or apply on the field are negated, but its effects that activate in the Graveyard are applied normally.