Blood Mefist [YCSW-EN004] Ultra Rare Astral Pack 7 you can have this card

you can have this card lose 500 ATK and DEF

GX Manga Promotional Cards Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2000 1 "Elemental HERO" monster + 1 DARK monster Must be Fusion Summoned and cannot be Special Summoned by other ways

Dragon" equipped with "Metalmorph"

You must have no cards in your hand to activate and to resolve this effect

place 1 Guard Counter on that target (if that card would ever be destroyed

Blood Mefist [YCSW-EN004] Ultra Rare Astral Pack 7 you can have this cardSet: 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.