Old Ghastbark is a creature card from the Magic: The Gathering Shadowmoor set, categorized as an unknown rarity. Valued at approximately $0.33, it features a unique green color identity and embodies a thematic connection to the set's darker elements. Collectors may find its low market value appealing, particularly for deck-building purposes or as part of a complete Shadowmoor collection. Grading and sales data indicate its accessibility in the secondary market.