# 2021 Magic: The Gathering Magic Online Promos #91377

> The 2021 Magic Online Promos Void Mirror is a foil Rare artifact card from the Magic: The Gathering trading card game. This promo release features card number 91377.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-void-mirror-91377-foil-promo

## Identity

- **Year**: 2021
- **Brand**: Magic: The Gathering
- **Set**: Magic Online Promos
- **Card Number**: 91377
- **Featured**: Void Mirror
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Mana cost**: {2}
- **Type**: Artifact
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

This product is the 2021 Magic Online Promos Void Mirror, a foil Rare artifact card from the Magic: The Gathering trading card game. Identified by card number 91377, this promo card features a generic mana cost of {2} and a mana value of 2. The artwork for this card was created by Colin Boyer. It is part of the Magic Online Promos set, designated by the set code PRM.

## FAQ

### What is the mana cost of Void Mirror?

Void Mirror has a generic mana cost of {2} and a mana value of 2.

### Who illustrated the Void Mirror card?

Colin Boyer is the artist credited with illustrating this card.

### What is the card number for Void Mirror in Magic Online Promos?

In the Magic Online Promos set, Void Mirror is designated as card number 91377.

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Editorial content updated: 2026-11-05.

Site deployment: 2025-11-29.