# 2021 Magic: The Gathering Magic Online Promos #88266

> The 2021 Burning-Rune Demon promo card from the Magic Online Promos series. This Mythic Rare foil features a 6/6 Demon Berserker with unique library manipulation effects.

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## Identity

- **Year**: 2021
- **Brand**: Magic: The Gathering
- **Set**: Magic Online Promos
- **Card Number**: 88266
- **Featured**: Burning-Rune Demon
- **Game**: Magic: The Gathering
- **Rarity**: Mythic Rare
- **Mana cost**: {4}{B}{B}
- **Type**: Creature — Demon Berserker
- **Power / Toughness**: 6 / 6
- **Color**: B
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

The Burning-Rune Demon is a 2021 Magic Online Promos card, identified by card number 88266 in the set. As a Mythic Rare foil, this creature card carries the {4}{B}{B} mana cost and possesses a 6/6 power and toughness rating. The card type is listed as Creature — Demon Berserker, with a mana value of 6. Andrew Mar is credited as the artist for this release within the PRM set code. In gameplay, the card offers a distinct strategic option. When the Burning-Rune Demon enters the battlefield, it allows the controller to search their library for exactly two cards that do not share names with it. These two cards must also have different names from each other. After revealing them, an opponent selects one card to be added to the player's hand, while the other is placed into the graveyard. The library is then shuffled. This effect provides significant card selection and resource management capabilities. The Burning-Rune Demon is a Mythic Rare promo card from the 2021 Magic Online Promos set. This card features a foil finish and carries the mana cost {4}{B}{B}. The Magic Online Promos series distributes cards through various online events and activities, making these items sought after by players who participated or those who collect exclusive digital-to-physical translations. The Burning-Rune Demon stands as a notable entry in the 2021 promo landscape due to its powerful effect and high rarity status. Enthusiasts browsing for Mythic Rare cards or specific set completions will find this product listed with its official card number and set details. The combination of the Demon Berserker subtype and the unique search effect makes this card a functional and collectible piece for fans of the game.

## FAQ

### What is the mana cost of Burning-Rune Demon?

The Burning-Rune Demon has a mana cost of {4}{B}{B}, requiring four generic mana and two black mana to cast. This results in a total mana value of 6.

### What set does card number 88266 belong to?

Card number 88266 belongs to the Magic Online Promos set, which was released in 2021. This set code is often abbreviated as PRM.

### What effect does the Burning-Rune Demon have?

When the Burning-Rune Demon enters the battlefield, you may search your library for two cards with different names that are not named Burning-Rune Demon. An opponent chooses one to add to your hand and the other to your graveyard, after which you shuffle your library.

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Editorial content updated: 2026-10-09.

Site deployment: 2025-11-29.