# 2020 Magic: The Gathering Magic Online Promos #79957

> The 2020 Magic Online Promos card Thassa's Intervention (79957) is a rare Instant from the Magic: The Gathering trading card game, illustrated by Zack Stella.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-thassas-intervention-79957-promo

## Identity

- **Year**: 2020
- **Brand**: Magic: The Gathering
- **Set**: Magic Online Promos
- **Card Number**: 79957
- **Featured**: Thassa's Intervention
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Mana cost**: {X}{U}{U}
- **Type**: Instant
- **Color**: U
- **Language**: English
- **Material**: Card Stock
- **Finish**: Normal

## Description

Thassa's Intervention (card number 79957) is a Rare Instant from the Magic: The Gathering trading card game. This card appears in the Magic Online Promos set for the 2020 catalog year. The artwork is by Zack Stella. The card has a mana cost of {X}{U}{U} and a mana value of 2. Its color identity is U.

## FAQ

### What is the mana cost of Thassa's Intervention?

The mana cost for Thassa's Intervention is {X}{U}{U}, resulting in a mana value of 2.

### Who illustrated Thassa's Intervention?

Zack Stella is the credited artist for the illustration on this card.

### What set is Thassa's Intervention from?

This card is part of the Magic Online Promos set, identified by the set code PRM.

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Editorial content updated: 2026-11-06.

Site deployment: 2025-11-29.