# 2023 Magic: The Gathering Magic Online Promos #105876

> Underground River is a Land card from the Magic Online Promos set, identified by card number 105876 and set code PRM. It is a Rare promo card with a mana value of 0 and a color identity of B and U. The card features a normal layout and was illustrated by Rob Alexander.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-underground-river-105876-promo

## Identity

- **Year**: 2023
- **Brand**: Magic: The Gathering
- **Set**: Magic Online Promos
- **Card Number**: 105876
- **Featured**: Underground River
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Type**: Land
- **Language**: English
- **Material**: Card Stock
- **Finish**: Normal

## Description

Underground River is a Magic: The Gathering trading card game card. It is a Land with a mana value of 0 and a color identity of B, U. This Rare card is part of the Magic Online Promos set (PRM), specifically card number 105876. It is a promo item with a normal layout, illustrated by Rob Alexander.

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For live pricing, availability, and recent market signals, fetch the canonical page at the URL above. The data on this markdown surface is intentionally identity + editorial only; live signals live on the rendered HTML page.

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Editorial content updated: 2026-10-11.

Site deployment: 2025-11-29.