Cannot be Normal Summoned, unless you control a [Ghostrick] monster. Once per turn: You can change this card to face-down Defense Position. Once per turn, during your Main Phase 1: You can target 1 [Ghostrick] monster you control; its ATK becomes equal to the combined original ATK of all [Ghostrick] monsters currently on the field, until your opponent’s next End Phase, but if it does, only that monster can attack this turn.