Detach 1 Xyz Material from a monster on the field, and if you do, excavate the top 4 cards of your Deck, choose 1 of them, and apply this effect based on its type, also place the rest on the top of the Deck in the same order. ● Monster/Spell: Add it to your hand. ● Trap: Set it. It can be activated this turn. You can only activate 1 "Puppet Shark" per turn.