Blood Mefist [YCSW-EN004] Super RareSet: 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.

by having 5 or more DARK monsters in your Graveyard while you control no monsters

Set: Base Set Shadowless Unlimited Type: Water Rarity: Common Retreat cost: Colorless

it gains 100 ATK and loses 100 DEF

Set: World Championships 2008 Type: Psychic Rarity: Rare Retreat cost: Colorless

Set: Sun & Moon: Black Star Promos Type: Fairy Rarity: Black Star Promo Retreat cost: Colorless

except "Nekroz of Brionac"

but its original ATK becomes 0

Set: Crossroads of Chaos Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 2200 Defense: 1400 1 Tuner + 1 or more non-Tuner Spellcaster-Type monsters When this card is Synchro Summoned

Set: Soul of the Duelist Card type: Continuous Spell Rarity: Ultimate Rare Only once during each player's End Phase

You can negate the effects of Spells

delete 1 of your opponent's Digimon with 4000 DP or less

Set: Legendary Duelists Card type: Effect Monster Rarity: Ultra Rare Attack: 1200 Defense: 700 When this card is destroyed by battle and sent to the GY: You can Special Summon 1 Level 7 or lower "Red-Eyes" monster from your Deck