# 2022 Magic: The Gathering The Brothers' War Promos #203p

> The 2022 The Brothers' War Promo Rootwire Amalgam (Card #203p) is a Mythic Rare Artifact Creature Golem featuring Prototype mechanics and art by Leon Tukker.

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## Identity

- **Year**: 2022
- **Brand**: Magic: The Gathering
- **Set**: The Brothers' War Promos
- **Card Number**: 203p
- **Featured**: Rootwire Amalgam
- **Game**: Magic: The Gathering
- **Rarity**: Mythic Rare
- **Mana cost**: {5}
- **Type**: Artifact Creature — Golem
- **Power / Toughness**: 5 / 5
- **Language**: English
- **Material**: Card Stock
- **Finish**: Normal

## Description

The 2022 The Brothers' War Promo Rootwire Amalgam (Card #203p) is a Mythic Rare Artifact Creature — Golem in the Magic: The Gathering trading card game. Designed by Leon Tukker, this card utilizes the Prototype mechanic, allowing players to cast it with either its base {5} mana cost for a 5/5 body or a reduced {1}{G} cost for a 2/3 body. This flexibility defines the card's strategic identity within The Brothers' War Promos subset. Rootwire Amalgam belongs to the green color identity and functions as an artifact creature. Its ability allows for a sorcery-speed sacrifice effect: paying {3}{G}{G} to create a colorless Golem artifact creature token. The token's power and toughness are determined by three times the sacrificed creature's power, granting it haste until the end of the turn. This interaction makes the card a potent tool for board presence in Magic: The Gathering gameplay. Collectors of Magic: The Gathering often target promo cards from specific sets like The Brothers' War for their distinct distribution and design. Rootwire Amalgam's card number, 203p, places it within this promotional framework. The prototype layout allows for varied playstyles, appealing to players who enjoy adaptable strategies in their decks. The combination of its Mythic Rare status, unique mechanical design, and promotional origin makes Rootwire Amalgam a distinct entry in the Magic: The Gathering catalog.

## FAQ

### What is the Prototype mechanic on Rootwire Amalgam?

Prototype allows you to cast this spell with a different mana cost, color, and size than printed. You may cast Rootwire Amalgam as a 5/5 Artifact Creature for {5} or a 2/3 Artifact Creature for {1}{G}, keeping its abilities in either state.

### What are the stats for Rootwire Amalgam?

As a Mythic Rare Artifact Creature — Golem, Rootwire Amalgam has a printed mana value of 5. When cast at its base cost, it is a 5/5. When cast with the prototype cost of {1}{G}, it is a 2/3.

### Which set does Card #203p belong to?

Rootwire Amalgam is part of The Brothers' War Promos subset from 2022. It is a promo card in the Magic: The Gathering trading card game, distinct from the main set release.

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Editorial content updated: 2026-09-30.

Site deployment: 2025-11-29.