Twilight Ninja Kagen (BLC1-EN050) [Battles of Legend: Chapter 1]

<strong>Pendulum Effect</strong>
<br>You cannot Pendulum Summon monsters, except "Ninja" monsters. This effect cannot be negated. Once per turn, when your "Ninja" monster declares an attack: You can make that monster gain 1000 ATK until the end of the Damage Step (even if this card leaves the field).
<br><strong>Monster Effect</strong>
<br>You can Tribute this card, then target 1 "Ninja" monster you control; it gains 800 ATK until the end of this turn.