Blood Mefist (4)

• Number: YCSW-EN004
• Rarity: Ultra Rare
• Attribute: DARK
• Monster Type: Fiend
• Card Type: Synchro/Effect Monster
• Attack: 2800
• Defense: 1300
• Description: 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.

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.