Umbreon (BW93) [Black & White: Black Star Promos] Warior if a "Sinister Serpent" exist

if a "Sinister Serpent" exist in your Graveyard

or monster effect is activated: This card loses exactly 500 ATK and DEF and that activation is negated

Set: Hidden Arsenal 5: Steelswarm Invasion Card type: Effect Monster Rarity: Super Rare Attack: 2100 Defense: 1000 If your have 3 or more "Laval" monsters with different names in your Graveyard

up to the number of "Madolche" card returned

You can only use this effect of "Destiny HERO - Dangerous" once per turn

Umbreon (BW93) [Black & White: Black Star Promos] Warior if a "Sinister Serpent" existSet: Black & White: Black Star Promos Type: Darkness Rarity: Black Star Promo Retreat cost: Colorless,Colorless