Konami YuGiOh Shonen Jump Ultra Rare Number 52: Diamond Crab King YZ06-EN001

Release date 02/03/15 2 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card; this card's DEF becomes 0, also this card's ATK becomes 3000. These changes last until the end of this turn. If this card attacks, it is changed to Defense Position at the end of the Battle Phase. If this card is attacked while it has no Xyz Materials, change it to Attack Position at the end of the Damage Step. You can only control 1 "Number 52: Diamond Crab King".