# 2018 Magic: The Gathering Guilds of Ravnica Promos #179p

> The 2018 Guilds of Ravnica Promos release features Ionize as a rare foil promo card, offering a potent counter effect for Magic: The Gathering collectors.

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## Identity

- **Year**: 2018
- **Brand**: Magic: The Gathering
- **Set**: Guilds of Ravnica Promos
- **Card Number**: 179p
- **Featured**: Ionize
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Mana cost**: {1}{U}{R}
- **Type**: Instant
- **Color**: R, U
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

The 2018 Guilds of Ravnica Promos release includes Ionize (179p) as a rare foil promo card within the Magic: The Gathering trading card game. This instant spell carries a mana cost of {1}{U}{R} and has a mana value of 3, utilizing red and blue mana to function. As a promo variant, it holds a distinct place for collectors who focus on promotional distributions from this era. In gameplay, Ionize allows players to counter target spells. When resolved, it deals 2 damage to that spell's controller, combining defensive utility with aggressive pressure. The card's flavor text notes that "Countermagic is a simple process of breaking matter into its elementary particles," reflecting the technological themes often associated with Ravnican architecture and guild mechanics. The illustration for this card was created by artist Chase Stone, adding to its visual identity among promo cards. The card number 179p places this card within the Guilds of Ravnica Promos checklist. The foil treatment enhances its appeal for those building themed collections or seeking specific promotional items from 2018. Ionize is a foil Instant from the 2018 Guilds of Ravnica Promos set. Its unique distribution as a promo makes it a notable addition to any catalog of promotional cards. Collectors often examine the details of such cards to understand the broader context of set releases. The Guilds of Ravnica block was a significant part of the game's lore, and promo cards from this time offer a tangible connection to those storylines. By acquiring this card, collectors can add a piece of the 2018 promotional landscape to their holdings. The card features art by Chase Stone and has a mana cost of {1}{U}{R}.

## FAQ

### What is the mana cost of Ionize in Magic: The Gathering?

Ionize has a mana cost of {1}{U}{R}, requiring one generic mana, one blue mana, and one red mana to cast. Its total mana value is 3.

### Who is the artist for the Ionize promo card from Guilds of Ravnica?

The artist for the Ionize promo card (179p) from the 2018 Guilds of Ravnica Promos set is Chase Stone.

### What effect does the Ionize card have in gameplay?

Ionize is an Instant that lets you counter target spell. Additionally, it deals 2 damage to that spell's controller when it resolves.

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Editorial content updated: 2026-10-07.

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