Spell Shattering Sword

Activate 1 of these effects;
● Destroy all face-up Spells your opponent controls.
● Target 1 face-up monster your opponent controls; show 1 "Light and Darkness Ritual" from your hand or GY, then change that monster's ATK to 0, also negate its effects.
 If this card in its owner's possession is destroyed by an opponent's card: You can destroy 1 card in your opponent's hand (at random) or field. You can only activate 1 "Spell-Shattering Sword" per turn.