Number 23: Lancelot, Dark Knight of the Underworld [YZ07-EN001] Ultra Rare SM175 During either player's Damage Step

During either player's Damage Step

This effect can only be activated once per turn

but you cannot declare an attack during this turn if you do

but its original ATK becomes 1800

Number 23: Lancelot, Dark Knight of the Underworld [YZ07-EN001] Ultra Rare SM175 During either player's Damage StepSet: Yu Gi Oh! ZEXAL Manga Promotional Cards Card type: Xyz Effect Monster Rarity: Ultra Rare Attack: 2000 Defense: 1500 2 Level 8 monsters This card can attack your opponent directly while it has Xyz Material. When this card inflicts battle damage to your opponent: You can target 1 face up monster your opponent controls; destroy it. Once per turn, during either player's turn, when a Spell Trap Card, or another monster's effect, is activated: Detach 1