# 2015 Magic: The Gathering Magic Online Promos #55787

> The 2015 Magic Online Promos Altar of the Brood foil promo card (55787) is a rare artifact designed by Erica Yang for Magic: The Gathering.

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## Identity

- **Year**: 2015
- **Brand**: Magic: The Gathering
- **Set**: Magic Online Promos
- **Card Number**: 55787
- **Featured**: Altar of the Brood
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Mana cost**: {1}
- **Type**: Artifact
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

The Altar of the Brood is a unique artifact card from the 2015 Magic Online Promos set, identified by card number 55787. Designed by Erica Yang, this rare foil promo features a mana cost of {1} and provides a distinct mechanical effect for players of Magic: The Gathering. The card’s ability triggers whenever another permanent you control enters the battlefield, causing each opponent to mill a card from their library. This interaction makes it a notable inclusion for collectors focused on artifact synergies or mill strategies within the game.

As a promotional release, the Altar of the Brood carries the PRM set code, distinguishing it from standard expansion sets. The card features a foil finish and was released as part of the Magic Online Promos set in 2015. The card’s design and rules text reflect the creative direction of the Magic Online platform, which often featured exclusive cards to engage its digital community.

This Magic Online Promo card is an artifact with a mana cost of {1}. The card’s status as a rare foil promo adds to its collectibility, as these items are typically distributed through specific channels rather than standard booster packs. The artwork by Erica Yang adds a distinct aesthetic to the card, contributing to its overall appeal among fans of the game.

Its presence in the 2015 Magic Online Promos set highlights the game’s ongoing innovation and community engagement. For those interested in the strategic depth of the game, this card provides a straightforward yet impactful effect that can influence gameplay.

## FAQ

### What is the mana cost of Altar of the Brood?

The Altar of the Brood has a mana cost of {1}, representing one generic mana. This makes it a low-cost artifact that can be played early in the game.

### Who designed the artwork for Altar of the Brood?

The artwork for the Altar of the Brood was created by Erica Yang. Her design contributes to the card’s visual identity within the Magic Online Promos set.

### What set does the Altar of the Brood belong to?

The Altar of the Brood is part of the 2015 Magic Online Promos set. It carries the set code PRM and card number 55787.

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Editorial content updated: 2026-10-02.

Site deployment: 2025-11-29.