The Extox Hydra trading card (BLMR-EN007) from the 2023 Yu-Gi-Oh! Battles of Legend: Monstrous Revenge expansion, featuring the exclusive Quarter Century Secret Rare holo finish.
2023 • Yu-Gi-Oh! • Battles of Legend: Monstrous Revenge
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Raw / Ungraded
PriceCharting Price Guide · Guide Estimate evidence · captured Oct 21, 2026
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Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.The Extox Hydra (BLMR-EN007) is a standout collectible from the 2023 Yu-Gi-Oh! Battles of Legend: Monstrous Revenge set. This release is defined by its Quarter Century Secret Rare treatment, which applies a distinctive holo finish to the card surface. Collectors often seek this variant for its visual appeal and its place within the Monstrous Revenge subset, which highlights powerful monster designs. As part of the broader Yu-Gi-Oh! Trading card game ecosystem, cards like Extox Hydra serve as key components for enthusiasts building their library. The BLMR-EN007 designation ensures precise identification within the set, making it easier for catalogers and completists to track their progress. The Quarter Century Secret Rare treatment adds a layer of prestige, distinguishing it from standard prints through its unique reflective properties. For investors and hobbyists alike, the Monstrous Revenge expansion offers a focused collection of high-impact monsters. The Extox Hydra card represents a specific point in the game's ongoing history, appealing to those who value both gameplay utility and aesthetic quality. Whether you are completing a full set of Monstrous Revenge cards or focusing on rare parallels, this card provides a tangible connection to the franchise's legacy. ## What is the rarity level of Extox Hydra BLMR-EN007? This card is printed as a Quarter Century Secret Rare, featuring a unique holo finish that distinguishes it from standard or common variants in the Monstrous Revenge set. ## What set does Extox Hydra belong to? Extox Hydra is part of the Battles of Legend: Monstrous Revenge expansion, released in 2023 for the Yu-Gi-Oh! Trading card game. ## How is the card number formatted for this release? The card is identified by the code BLMR-EN007, where BLMR indicates the Monstrous Revenge subset and 007 is its sequential position within that series.
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The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
The core identity of the card within the set.
The subject, team, league, and sport context tied to this card.
Featured
Extox Hydra
Game
Yu-Gi-Oh!
Rarity, print treatment, and game-specific stats for this card.
Quarter Century Secret Rare
Card Stock
English
Holo
Water
Reptile
4
2000 / 2000
Abilities, attacks, oracle text, and flavor text printed on the card.
2+ monsters you control, Special Summoned from the Extra Deck Monsters your opponent controls with the same card type (Fusion, Synchro, Xyz, Pendulum, or Link) as any material used for this card's Fusion Summon lose ATK equal to their own original ATK. When this card inflicts 1000 or more battle damage to your opponent: You can draw 1 card for every 1000 damage you inflicted.
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