Règne Rouge [ETCO-FR074] Super Rare

Si vous contrôlez un Monstre Synchro de Niveau 8 ou plus : Banish all monsters on the field, except the monster(s) with the highest Level, also the remaining face-up monsters on the field are unaffected by other card effects, except their own, until the end of this turn. If a DARK Dragon Synchro Monster is Synchro Summoned to your field while this card is in your GY: You can add this card to your hand. You can only use this effect of "Règne Rouge" once per turn.