Sinful Spoils of Betrayal - Silvera
Send 1 "Diabellstar" monster from your hand or face-up field to the GY, then target 1 face-up card on the field; negate its effects. When your opponent activates a card or effect in response to your "Diabellstar" monster effect or your "Sinful Spoils" Spell/Trap Card or effect activation: You can banish this card from your GY; negate that opponent's effect. You can only use 1 "Sinful Spoils of Betrayal - Silvera" effect per turn, and only once that turn.