Blood Mefist [YCSW-EN004] Ultra Rare POP Series 2 Set: Countdown Calendar Promos Type:

Set: Countdown Calendar Promos Type: Fire Rarity: Promo Retreat cost: Colorless

Set: XY: Steam Siege Type: Fairy Rarity: Secret Rare Retreat cost: Colorless

this card's ATK is halved during damage calculation

Set: Celebrations: 25th Anniversary Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

also it cannot change its battle position

Blood Mefist [YCSW-EN004] Ultra Rare POP Series 2 Set: Countdown Calendar Promos Type:Set: Yu Gi Oh! Championship Series Prize Cards Card type: Synchro Effect Monster Rarity: Ultra 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.