The Secret Base foil card from Magic: The Gathering's 2017 Unstable expansion is a unique land card that enables color-specific spell casting.
2017 • Magic: The Gathering • Unstable
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| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$6.72 | Guide Estimate | 0% | ||
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Oct 16, 2026
Released in 2017 as part of the Unstable expansion, the Secret Base card (number 165c) stands out in the Magic: The Gathering catalog for its specific mechanical design. This common foil land card allows players to generate one mana of any color, but with a strict limitation: the mana can only be used to cast spells that share a watermark with the land itself. This mechanic encourages deck builders to focus on specific watermark groups, adding a layer of strategic depth to casual and competitive formats alike. Collectors often seek this card for its foil finish, which enhances its visual appeal compared to the non-foil version. The card is illustrated by Seb McKinnon, whose artistic style contributes to the set's distinct aesthetic. For Magic: The Gathering enthusiasts, Secret Base serves as a functional piece for decks built around the League of Dastardly Doom watermark. Its unique ability to filter mana based on watermark identity makes it a interesting choice for players looking to execute specific strategies. Whether you are building a new deck or expanding your collection of Unstable cards, this foil land card offers both utility and collectible value. The card's design and mechanics reflect the playful yet intricate nature of the Unstable set, making it a notable entry for any Magic: The Gathering library.
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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
Secret Base
Game
Magic: The Gathering
Rarity, print treatment, and game-specific stats for this card.
Common
Seb McKinnon
Card Stock
English
Foil
Land
Abilities, attacks, oracle text, and flavor text printed on the card.
{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a spell that shares a watermark with this land.
The League of Dastardly Doom takes the word "headquarters" very seriously.
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