Dragoncaller Magician

[ Pendulum Effect ]r
Once per turn: You can target 1 face-up monster on the field; it becomes Dragon-Type until the end of your opponent’s turn (even if this card leaves the field).r
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[ Monster Effect ]r
Once per turn: You can make this card become Dragon-Type until the end of this turn. A monster that was Fusion, Synchro, or Xyz Summoned using this card on the field as Material gains this effect.r
● If this card battles a Dragon-Type monster, this card’s ATK becomes double its original ATK during the Damage Step only.