Pendulum Effect
Once per turn: You can reveal 1 Pendulum Monster from your hand, then target 1 'Magician' card in your Pendulum Zone; its Pendulum Scale becomes the revealed monster's Pendulum Scale, until the end of this turn (even if this card leaves the field).
Monster Effect
During the turn this card was Pendulum Summoned, 'Magician' Pendulum Monsters you control cannot be destroyed by an opponent's card effects while this card is face-up on the field.