When an opponent's monster declares an attack: Target the attacking monster; negate the attack, and if you do, change it to Defense Position and it cannot change its battle position while it is face-up on the field. Then, your opponent chooses 1 of these effects.
?You (the opponent of this card's activator) gain LP equal to half the target's ATK.
?Your opponent (the activator of this card) takes damage equal to half the target's ATK.