Artifact Durendal - PRIO-EN049 - Ultimate Rare - Unlimited

2 Level 5 monsters Once per turn, during either player's turn, you can activate 1 of these effects. ? When a monster effect is activated on the field OR when a Normal Spell/Trap Card is activated: You can detach 1 Xyz Material from this card; the activated effect becomes "Destroy 1 Spell/Trap Card your opponent controls". ? You can detach 1 Xyz Material from this card; each player with a hand shuffles their entire hand into the Deck, then draws the same number of cards they shuffled into the Deck.