Graceful & Skull Dice

Roll a six-sided die twice and apply these effects for the rest of this turn. ● Monsters you control that mention "Dark Time Wizard" gain ATK/DEF equal to the total x 200. ● Monsters your opponent controls lose ATK/DEF equal to the total x 200. If your opponent Normal or Special Summons a monster(s) while this card is in your GY (except during the Damage Step): You can banish this card, then target 1 of those monsters; roll a six-sided die twice, and if the total is 6 or more, destroy that monster.