Your search for "vampire slayer 310" revealed the following:
Vampire Slayer (DBL) from Innistrad: Double Feature, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Tomas Duchek Card Text:Whenever Vampire Slayer deals damage to a Vampire, destroy that creature.
Vampire Slayer (Foil) (DBL) from Innistrad: Double Feature, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Tomas Duchek Card Text:Whenever Vampire Slayer deals damage to a Vampire, destroy that creature.