# 2021 Magic: The Gathering Strixhaven: School of Mages Promos #14s

> The Devastating Mastery promo card from the 2021 Strixhaven: School of Mages Promos set, featuring a rare foil finish and the distinctive card number 14s.

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## Identity

- **Year**: 2021
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Strixhaven: School of Mages Promos
- **Card number**: #14s
- **Product type**: TCG_CARD

## Description

The Devastating Mastery card, identified by the set code 14s, is a notable release from the Strixhaven: School of Mages Promos series issued in 2021. As a Magic: The Gathering trading card game card, this promo features a foil treatment that distinguishes it from standard print runs. Designed by artist Jake Murray, the card represents a powerful white sorcery with a mana value of 6, utilizing a cost of four white mana symbols. Collectors of the Strixhaven: School of Mages Promos subset often seek out this card number for its visual appeal and gameplay utility. The foil finish adds a layer of desirability for those building specialized collections or seeking high-quality examples of this 2021 release. The card's identity is firmly rooted in the 2021 Strixhaven: School of Mages Promos catalog, making it a distinct entry for enthusiasts of the era. For investors and hobbyists alike, understanding the specific attributes of the 14s card number helps in navigating the broader Magic: The Gathering market. This promo card remains a significant piece for anyone tracking the Strixhaven: School of Mages Promos expansion.

## FAQ

### What set is the Devastating Mastery 14s card from?

This card is from the Strixhaven: School of Mages Promos set, released in 2021. It carries the specific card number 14s within that promotional subset.

### Is Devastating Mastery a foil card?

Yes, the 14s variant of Devastating Mastery is printed with a foil finish. This treatment is a key identifier for collectors looking for this version of the card.

### Who illustrated the Devastating Mastery promo card?

The artwork for this Magic: The Gathering card was created by Jake Murray. His illustration is featured on the 14s promo card from the 2021 Strixhaven: School of Mages Promos set.

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Last verified: 2025-11-29.