# 2020 Magic: The Gathering Magic Online Promos #79853

> The 2020 Magic Online Promos foil version of Thassa, Deep-Dwelling, a highly sought-after mythic rare legendary creature.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-thassa-deep-dwelling-79853-foil-mythic-rare

## Identity

- **Year**: 2020
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Magic Online Promos
- **Card number**: #79853
- **Product type**: TCG_CARD

## Description

Thassa, Deep-Dwelling stands as a premier mythic rare in the Magic: The Gathering trading card game, celebrated for its powerful God subtype and intricate gameplay mechanics. Released in 2020 as part of the Magic Online Promos series, this foil card (number 79853) captures the essence of blue mana strategy with a distinctive finish that appeals to dedicated TCG collectors. As a legendary enchantment creature, it demands five devotion to blue to manifest as a formidable 6/5 threat, otherwise remaining an indestructible enchantment that protects itself from removal. The card’s unique ability allows players to exile and return another controlled creature at the end of their turn, offering strategic flexibility in deck construction. For enthusiasts of the Magic: The Gathering trading card game, this promo represents a significant piece of digital-to-physical crossover history. The foil treatment enhances its visual appeal, making it a standout addition to any collection focused on rare artifacts or legendary entities. Collectors often seek this card for its artistic presentation and mechanical depth, ensuring it remains a relevant and desirable item in the secondary market. Its identity as a mythic rare from a specialized promo set adds layers of interest for those tracking variant distributions and exclusive releases.

## FAQ

### What is Thassa, Deep-Dwelling in Magic: The Gathering?

Thassa, Deep-Dwelling is a legendary enchantment creature — God with a mana cost of {3}{U}. It is indestructible and only becomes a creature if your devotion to blue is at least five.

### What makes the Magic Online Promos foil version unique?

The foil finish provides a distinct visual texture and shine compared to non-foil versions. As a mythic rare from the 2020 Magic Online Promos set, it holds special significance for collectors tracking exclusive digital-to-physical releases.

### How does the card's exile mechanic work?

At the beginning of your end step, you may exile up to one other target creature you control, then return that card to the battlefield under your control. This allows for temporary removal or strategic shuffling of your board state.

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Last verified: 2025-11-29.