Vampire Interloper from the Magic: The Gathering Foundations set is an Unknown rarity card (collector number 530) that figures into casual and tribal vampire decks. The card is currently valued at approximately $0.09, placing it among lower-priced commons for budget-conscious collectors and players. Market activity for this listing shows modest demand, typical for mass-print black creature cards. Condition and grading could affect price, but ungraded copies generally trade near the listed value.