You can only activate 1 card with this card's name per turn.
(1) 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 its effects are negated.
(2) If this card in its owner's possession is destroyed by your opponent: You can destroy 1 card in your opponent's hand (at random) or field.