2 Level 4 Pendulum Monsters

When this card is Xyz Summoned: You can add 1 Pendulum Monster from your Deck to your hand during the End Phase of this turn. Once per turn: You can detach 1 Xyz Material from this card; Special Summon 1 face-up "Dracoslayer" Pendulum Monster from your Extra Deck, but it cannot be used as an Xyz Material for a Summon.