# 2017 Magic: The Gathering Magic Online Promos #57588

> The details of the 2017 Magic Online Promo Alhammarret, High Arbiter foil card, a legendary Sphinx designed to disrupt opponents' strategies.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-alhammarret-high-arbiter-57588-foil

## Identity

- **Year**: 2017
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Magic Online Promos
- **Card number**: #57588
- **Product type**: TCG_CARD

## Description

Alhammarret, High Arbiter stands as a formidable presence in the Magic: The Gathering trading card game landscape. Released in 2017 as part of the Magic Online Promos series, this release identifies the legendary Sphinx through card number 57588 within the PRM set code. The card features a rare foil finish, offering a distinct visual appeal that complements its powerful in-game abilities.

As a seven-mana investment, Alhammarret serves as a strategic anchor for players seeking to control the board state. Upon entering play, it forces opponents to reveal their hands, allowing the controller to select a nonland card name. For the duration that this creature remains on the battlefield, opponents are prohibited from casting spells with that chosen name. This unique interaction makes it a compelling piece for collectors who appreciate complex mechanics and thematic depth in TCG design.

Collectors often seek out this promo card to complete specific subsets of the Magic Online Promos collection. The foil treatment adds value for those who prioritize aesthetic presentation alongside gameplay utility. Whether you are building a themed collection or looking for a unique artifact to add to your Magic: The Gathering trading card game holdings, this card represents a significant moment in the franchise's digital-to-physical crossover history. Its enduring design and functional power continue to draw interest from dedicated enthusiasts of the genre.

## FAQ

### What is the mana cost of Alhammarret, High Arbiter?

The card has a mana cost of {5}{U}{U}, totaling seven mana, and is colored blue. It is classified as a Legendary Creature with the Sphinx subtype.

### How does Alhammarret, High Arbiter's ability work?

When this creature enters the battlefield, each opponent reveals their hand. You then choose the name of a nonland card revealed this way. As long as Alhammarret remains on the battlefield, your opponents cannot cast spells with that chosen name.

### What set is this card from?

This card is part of the Magic Online Promos set, released in 2017. It carries the set code PRM and is identified by the catalog number 57588.

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Last verified: 2025-11-29.