# 2013 Magic: The Gathering Magic Online Promos #43624

> The 2013 Magic Online Promo Underground Sea foil card offers a distinctive finish for fans of Magic: The Gathering's most iconic dual lands.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-underground-sea-43624-foil

## Identity

- **Year**: 2013
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Magic Online Promos
- **Card number**: #43624
- **Product type**: TCG_CARD

## Description

Released in 2013 as part of the Magic Online Promos series, the Underground Sea card holds a special place in the history of Magic: The Gathering. This release features the dual land as a foil rarity, designated by card number 43624 within the PRM set code. Designed by artist Cliff Childs, the card allows players to produce either blue or black mana, making it a functional cornerstone for various gameplay strategies. Collectors often seek this promotional variant for its unique foil treatment and its connection to the digital platform's exclusive events. The Underground Sea remains a recognizable asset for enthusiasts building themed collections or appreciating the evolution of Magic Online's promotional landscape. Adding this card to your collection provides a tangible link to the game's digital heritage and its enduring appeal among TCG hobbyists.

## FAQ

### What is the Underground Sea card in Magic: The Gathering?

The Underground Sea is a dual land card that can produce either blue or black mana. It is highly regarded in the Magic: The Gathering community for its utility and iconic status.

### What does the Magic Online Promos set represent?

The Magic Online Promos set includes cards distributed exclusively through the Magic Online digital platform. These items often feature unique foil treatments or designs not found in standard retail packs.

### Who illustrated the 2013 Underground Sea promo card?

The 2013 promotional version of the Underground Sea was illustrated by Cliff Childs, known for his work in the Magic: The Gathering franchise.

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Last verified: 2025-11-29.