Number 23: Lancelot, Dark Knight of the Underworld [YZ07-EN001] Ultra Rare Effect Fusion Monster and if you do that

and if you do that

Remote Duel at Home Sweepstakes

Set: Duelist Nexus Card type: Field Spell Rarity: Quarter Century Secret Rare All FIRE Warrior monsters you control gain 500 ATK

change that opponent's monster's ATK to 0

Number 23: Lancelot, Dark Knight of the Underworld [YZ07-EN001] Ultra Rare Effect Fusion Monster and if you do thatSet: 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 Xyz