Blood Mefist

Synchro Monster · Fiend · DARK · ★8

ATK 2800/DEF 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.”