Regeltext

If your opponent controls 5 or more face-up cards, this card's activation and effect cannot be negated, also you can activate this card the turn it was Set. At any of the following timings: Negate the effects of as many face-up cards your opponent controls as possible, and if you do, destroy them, also your monsters cannot attack directly until the end of the next turn after this card resolves. ● When the monster your opponent controls with the highest ATK (even if tied) declares an attack. ● When your opponent activates a monster effect that would destroy a card(s) on the field. ● When your opponent activates a monster effect in the hand or field during your turn.