You can only use the 1st and 2nd effects of this card’s name once per turn each.
(1) Target 1 “Lyrilusc” monster you control; change the ATK of all face-up monsters your opponent currently controls to that target’s, also their Levels and Ranks become 1.
(2) When an opponent’s monster declares an attack on your “Lyrilusc” monster: You can banish this card from your GY; your battling monster’s ATK becomes the same as that opponent’s monster’s, until the end of this turn.