# 2017 Magic: The Gathering Unstable #165a

> The 2017 Magic: The Gathering Unstable Secret Base foil card (165a) features unique mana abilities tied to the set's watermark system.

Canonical URL: https://supercatch.com/product/magic-the-gathering-unstable-secret-base-165a-foil

## Identity

- **Year**: 2017
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Unstable
- **Card number**: #165a
- **Product type**: TCG_CARD

## Description

Released in 2017, the Secret Base card from Magic: The Gathering's Unstable set offers collectors a distinct gameplay experience. As a land card numbered 165a in the UST series, it provides versatile mana options through its dual activation abilities. One ability generates colorless mana, while the other allows for one mana of any color, restricted to spells sharing this land's watermark. This mechanic encourages strategic deck building within the Unstable framework, appealing to players who enjoy the set's humorous and unconventional design themes. The foil finish adds a premium tactile quality, making it a desirable addition for enthusiasts of Magic: The Gathering trading cards. The Unstable expansion remains a notable chapter in the game's history, blending traditional gameplay with satirical elements that resonate with long-time fans. Whether you are a seasoned player or a new collector, this card represents the innovative spirit of the Unstable series.

## FAQ

### What is the mana ability of Secret Base in Magic: The Gathering?

Secret Base allows you to add either one colorless mana or one mana of any color. The colored mana can only be used to cast spells that share the card's watermark, adding a strategic layer to deck construction.

### Is Secret Base a common or rare card in the Unstable set?

Secret Base is a common card in the Unstable expansion, numbered 165a. Despite its common rarity, the foil version is often sought after by collectors for its finish and unique gameplay mechanics.

### What does the watermark on Secret Base mean for gameplay?

The watermark on Secret Base determines which spells can utilize its colored mana ability. This encourages players to build decks centered around cards sharing that specific watermark, fostering thematic deck-building within the Unstable set.

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Last verified: 2025-11-29.