# 2024 Magic: The Gathering Murders at Karlov Manor Promos #270s

> The Undercity Sewers foil promo (card #270s) from the 2024 Murders at Karlov Manor Promos set is a rare dual land providing both Island and Swamp types for Magic: The Gathering.

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## Identity

- **Year**: 2024
- **Brand**: Magic: The Gathering
- **Set**: Murders at Karlov Manor Promos
- **Card Number**: 270s
- **Featured**: Undercity Sewers
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Type**: Land — Island Swamp
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

Undercity Sewers (card number 270s) is a rare land card from the 2024 Murders at Karlov Manor Promos set in the Magic: The Gathering trading card game. This promo version features a foil finish and is illustrated by Yeong-Hao Han. As a dual land, it functions as both an Island and a Swamp, offering flexibility for decks requiring Black and Blue mana sources. The card enters the battlefield tapped, which affects its immediate availability for mana production in the turn it is played. When played, its ability allows you to surveil 1, meaning you look at the top card of your library and may put it into your graveyard. This mechanic supports graveyard strategies and card filtering, adding strategic depth beyond simple mana generation. The card has a mana value of 0 and a color identity of Black and Blue. The 2024 Murders at Karlov Manor Promos release includes Undercity Sewers, a foil rare land card numbered 270s. The foil treatment on this 270s card distinguishes it from standard printings, making it a notable entry for those building specialized collections. This Island Swamp enters the battlefield tapped and allows its controller to surveil 1 when it enters. The card's design and mechanics reflect the thematic elements of its set, appealing to fans of the game's intricate world-building. For those interested in the strategic aspects of Magic: The Gathering, this land provides a reliable source of dual-colored mana with a useful utility effect.

## FAQ

### What is the mana value of Undercity Sewers?

The mana value of Undercity Sewers is 0. It is a land card that provides both Island and Swamp types, allowing for Black and Blue mana generation.

### What does the surveil 1 ability do on this card?

The surveil 1 ability allows you to look at the top card of your library and may put it into your graveyard. This effect triggers when the land enters the battlefield.

### Is Undercity Sewers a dual land in Magic: The Gathering?

Yes, Undercity Sewers is a dual land card. It enters the battlefield tapped and provides both Island and Swamp types, supporting decks that need Black and Blue mana.

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Editorial content updated: 2026-10-05.

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