Calamitous Tide is a Magic: The Gathering card from the Bloomburrow set, listed as Unknown rarity (card #43). It occupies the lower end of the secondary market with a current value of $0.03, making it a common acquisition for bulk lots or set collectors. Grading and sales data, when available, can help differentiate lightly played copies from those suitable for graded submission. Collectors looking to complete Bloomburrow playsets will typically prioritize other, higher-value pieces.