Diabellze the Original Sinkeeper

If there is a "Sinful Spoils" card in either GY, you can Special Summon this card (from your hand). You can only Special Summon with this effect of "Diabellze the Original Sinkeeper" once per turn. Your opponent cannot activate Spell/Trap Cards that were not Set. If a Spell(s)/Trap(s) is Set to the field while this monster is on the field: You can target 1 card you control and 1 card your opponent controls; destroy them. You can only use this effect of "Diabellze the Original Sinkeeper" once per turn.