If this card is Normal Summoned: You target up to 2 monsters in your opponent's GY; Special Summon them to your field in Defense Position, but their effects are negated. When a monster effect is activated, if a monster with the same name is in any GY (Quick Effect): You can negate the activation. If a Monster Card(s) is Special Summoned from your opponent's GY (except during the Damage Step): You can Tribute 2 monsters; Special Summon this card from your GY. You can only use each effect of "Vampire Voivode" once per turn.