# 2021 Magic: The Gathering Magic Online Promos #91377

> The 2021 Magic Online Promos Void Mirror is a rare artifact card from the Magic: The Gathering trading card game, identified by card number 91377.

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

## Description

The 2021 Magic: The Gathering Magic Online Promos Void Mirror is a rare artifact card identified by card number 91377. This Magic: The Gathering trading card game card has a mana cost of {2} and a mana value of 2. The card features artwork by Colin Boyer. It is printed with a standard layout and carries the set code PRM.

## FAQ

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

The card number for Void Mirror in the 2021 Magic Online Promos set is 91377.

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

The Void Mirror card has a mana cost of {2}, which is generic mana.

### Who illustrated the Void Mirror card in the 2021 Magic Online Promos set?

The artist credited for the Void Mirror card in the 2021 Magic Online Promos set is Colin Boyer.

## How to cite this product

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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: 2026-11-07.

Site deployment: 2025-11-29.