Blood Mefist [YCSW-EN004] Super Rare Stardust Accelerator Promos Blade Break (If you defend

Blade Break (If you defend with Mask of Momentum

destroy all Defense Position monsters your opponent controls after damage calculation

at the start of your Battle Phase: You can detach 1 Xyz Material from this card

Your opponent cannot attack any monsters except this one

Blood Mefist [YCSW-EN004] Super Rare Stardust Accelerator Promos Blade Break (If you defendSet: Yu Gi Oh! Championship Series Prize Cards Card type: Synchro Effect Monster Rarity: Super Rare Attack: 2800 Defense: 1300 1 Tuner + 1 or more non Tuner monsters Once per turn, during your opponent's Standby Phase: You can inflict 300 damage to your opponent for each card your opponent controls. Each time your opponent Sets a Spell or Trap Card(s): Inflict 300 damage to your opponent.