Zefraxi, Treasure of the Yang Zing (Rare)

Pendulum Effect: You cannot Pendulum Summon monsters, except Yang Zing and Zefra monsters. This effect cannot be negated.
Monster Effect: If this card is Pendulum Summoned, or Special Summoned from the Main Deck: You can target 1 Yang Zing or Zefra monster you control, except Zefraxi, Treasure of the Yang Zing; that face-up monster is treated as a Tuner this turn, also place this card on the bottom of the Deck when it leaves the field. You can only use this effect of Zefraxi, Treasure of the Yang Zing once per turn.