# 2023 Magic: The Gathering Magic Online Promos #105834

> The Stone Brain is a Legendary Artifact card from the Magic Online Promos set (set code PRM). It is classified as Rare and features a normal layout. The card has a mana cost of {2} and a mana value of 2. The artwork is by Irina Nordsol. The card number is 105834.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-the-stone-brain-105834-promo

## Identity

- **Year**: 2023
- **Brand**: Magic: The Gathering
- **Set**: Magic Online Promos
- **Card Number**: 105834
- **Featured**: The Stone Brain
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Mana cost**: {2}
- **Type**: Legendary Artifact
- **Language**: English
- **Material**: Card Stock
- **Finish**: Normal

## Description

The Stone Brain is a Magic: The Gathering trading card game card. It is a Legendary Artifact with a mana cost of {2} and a mana value of 2. The card is from the Magic Online Promos set, identified by the set code PRM. It holds a Rare rarity status and is marked as a promo. The artist for this card is Irina Nordsol. The specific card number is 105834.

## 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: 2026-10-11.

Site deployment: 2025-11-29.