Xiangke Magician

[ Pendulum Effect ]r
Once per turn: You can target 1 face-up Xyz Monster you control; this turn, you can use it as an Xyz Material for an Xyz Summon using its Rank as if it were a Level (even if this card leaves the field).r
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[ Monster Effect ]r
Once per turn, during either player’s turn: You can target 1 LIGHT monster on the field; that face-up monster has its effects negated until the end of this turn.