Guttural Roar [Foil] appears in the Riftbound Vendetta set for the Riftbound trading card game as an Unknown rarity card (collector #72). Collectors will note its foil finish and uncertain rarity classification when assessing completeness for set builds or foil-focused collections. Market activity is minimal, reflected in a current listed value of $0.00, suggesting either no recent sales or that listings start at zero. Condition and provenance remain the primary drivers for any future valuation.