Hidden Horror, card number 137 from Magic: The Gathering's 1999 Classic Sixth Edition. This uncommon black horror creature offers distinct gameplay mechanics for TCG enthusiasts.
1999 • Magic: The Gathering • Classic Sixth Edition
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| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$0.25 | Guide Estimate | +4.2% | ||
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Oct 7, 2026
Hidden Horror stands as a notable entry in the Classic Sixth Edition of Magic: The Gathering, released in 1999. As card number 137 in this foundational set, it represents the core identity of the early trading card game era, appealing to historians and completists alike. Classified as an Uncommon rarity, this black creature card offers a unique mechanical challenge that distinguishes it within the game's ecosystem. The card features a mana cost of {1}{B}{B}, requiring two black mana to cast, and boasts a formidable power and toughness of 4/4. Its defining trait lies in its triggered ability: upon entering the battlefield, the controller must sacrifice Hidden Horror unless they discard a creature card from their hand. This high-risk, high-reward dynamic forces strategic decision-making, making it a favorite among players who enjoy aggressive, tempo-based playstyles. The artwork by Clint Langley brings the creature to life, though the card's legacy is defined more by its rules text than its illustration. For collectors, Hidden Horror serves as a tangible piece of Magic: The Gathering history. Owning a copy of Hidden Horror allows enthusiasts to connect with the game's evolution and appreciate the design philosophy of the late 1990s. Whether you are building a complete set of Sixth Edition cards or seeking specific cards for your deck, this product represents a key component of the franchise's rich heritage. It is a valuable addition to any collection focused on the foundational years of competitive trading card games.
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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
Hidden Horror
Game
Magic: The Gathering
Rarity, print treatment, and game-specific stats for this card.
Uncommon
Clint Langley
Card Stock
English
{1}{B}{B}
Creature — Horror
4 / 4
B
Abilities, attacks, oracle text, and flavor text printed on the card.
When this creature enters, sacrifice it unless you discard a creature card.
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