# 2018 Magic: The Gathering Ultimate Masters #237

> The 2018 Ultimate Masters Cavern of Souls foil mythic rare land card is a highly sought-after Magic: The Gathering collectible known for its versatile mana generation.

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## Identity

- **Year**: 2018
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Ultimate Masters
- **Card number**: #237
- **Product type**: TCG_CARD

## Description

The Cavern of Souls card from the 2018 Ultimate Masters set stands as a definitive piece of Magic: The Gathering history. As a mythic rare land with the card number 237, this foil edition offers collectors a premium finish that highlights the intricate design typical of the Ultimate Masters series. The card features artwork by Richard Wright, bringing a distinct visual identity to this powerful land card. In gameplay, Cavern of Souls serves as a flexible mana source. When played, it allows the controller to choose a creature type, providing both colorless mana and the ability to produce mana of any color. Crucially, this mana can only be spent to cast a creature spell of the chosen type, and that spell cannot be countered. This unique ability makes the card a strategic powerhouse in various formats, adding significant value for both players and collectors. Collecting the Ultimate Masters set is a rewarding endeavor for enthusiasts of Magic: The Gathering trading cards. The Cavern of Souls foil variant is particularly prized for its combination of high rarity, functional gameplay utility, and aesthetic appeal. Its status as a mythic rare ensures it remains a focal point for those building their Ultimate Masters collections. By focusing on the specific attributes of this card, such as its set origin, rarity, and foil finish, collectors can appreciate the detailed craftsmanship and strategic importance of the Cavern of Souls. Whether you are completing a set or adding a key land to your collection, this card represents a significant addition to any Magic: The Gathering library.

## FAQ

### What is the significance of Cavern of Souls in Magic: The Gathering?

Cavern of Souls is a versatile land card that provides mana of any color while protecting a chosen creature type from being countered. Its unique ability to produce flexible mana and offer protection makes it a staple in many creature-based decks.

### Why is the Ultimate Masters foil version highly collectible?

The Cavern of Souls foil variant is particularly sought after for its premium finish and strategic value.

### How does the foil finish affect the collectibility of this card?

The foil finish adds a distinctive shimmer and tactile quality to the card, making it stand out among non-foil versions. This treatment is often preferred by collectors for its aesthetic appeal and perceived higher value within the set.

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## Companion files

- [llms.txt](https://supercatch.com/llms.txt) — site-level concise index.
- [llms-full.txt](https://supercatch.com/llms-full.txt) — site-level expanded corpus.
- [ai.txt](https://supercatch.com/ai.txt) — AI training and licensing terms.

Last verified: 2025-11-29.