# 2023 Magic: The Gathering Magic Online Promos #105768

> The 2023 Magic Online Promos release featuring Rootwire Amalgam, a Mythic Rare Artifact Creature Golem with unique prototype rules.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-rootwire-amalgam-105768-mythic-rare

## Identity

- **Year**: 2023
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Magic Online Promos
- **Card number**: #105768
- **Product type**: TCG_CARD

## Description

As a Mythic Rare Artifact Creature — Golem, this card allows players to cast it using its prototype mechanic, offering flexibility in mana cost and power/toughness ratios. Originally presented with a mana value of five as a 5/5, the prototype ability permits an alternative casting cost of one green mana, resulting in a smaller 2/3 body while retaining its core abilities.

Collector interest in this product stems from its strategic depth and distinctive design within the promotional series. The card’s primary ability enables players to sacrifice it to create a massive X/X colorless Golem artifact creature token, where X is determined by the creature's power at the time of sacrifice. This creates a high-impact moment that can shift the board state dramatically. Whether you are building a themed collection or seeking versatile cards for gameplay, this promotional release offers a compelling addition to any library.

## FAQ

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

Prototype allows you to cast this spell with a different mana cost, color, and power/toughness than printed. For Rootwire Amalgam, you can cast it for {1}{G} as a 2/3 or for {5} as a 5/5.

### How does Rootwire Amalgam's sacrifice ability work?

You can activate {3}{G}{G}, Sacrifice this creature, to create an X/X colorless Golem artifact creature token. X is three times this creature's power at that time, and the token gains haste until end of turn.

### What set and rarity does this card belong to?

Rootwire Amalgam is a Mythic Rare card from the Magic Online Promos set, released in 2023. It carries the card number 105768 and is part of the promotional distribution for the Magic: The Gathering trading card game.

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## Companion files

- [llms.txt](https://supercatch.com/llms.txt) — site-level concise index.
- [llms-full.txt](https://supercatch.com/llms-full.txt) — site-level expanded corpus.
- [ai.txt](https://supercatch.com/ai.txt) — AI training and licensing terms.

Last verified: 2025-11-29.