# 2017 Magic: The Gathering Aether Revolt Promos #75s

> The Yahenni's Expertise 75s foil promo card from Magic: The Gathering's 2017 Aether Revolt Promos set, featuring a rare black sorcery with a distinctive foil finish.

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## Identity

- **Year**: 2017
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Aether Revolt Promos
- **Card number**: #75s
- **Product type**: TCG_CARD

## Description

Yahenni's Expertise 75s is a foil promo card from Magic: The Gathering's 2017 Aether Revolt Promos set, identified by the set code PAER. This black sorcery, illustrated by Daarken, offers a potent board wipe that reduces all creatures' power and toughness by three until end of turn. It also allows players to cast a spell with mana value three or less from their hand without paying its mana cost, making it a versatile tool for strategic gameplay.

Collectors of Magic: The Gathering trading cards often seek out this card number for its unique foil treatment and its place within the Aether Revolt era. The card's design and mechanics reflect the innovative spirit of the 2017 release, appealing to those who appreciate both competitive utility and aesthetic rarity. As a rare card in the TCG, it serves as a valuable addition to any collection focused on promotional sets or powerful sorceries.

The Yahenni's Expertise 75s foil promo stands out in the Magic: The Gathering community for its dual function and striking visual appeal. Its ability to control the battlefield and enable free casts makes it a favorite among players looking to add depth to their decks. For collectors, it represents a tangible piece of the game's history, offering a connection to the strategic innovations of the Aether Revolt block.

## FAQ

### What is Yahenni's Expertise in Magic: The Gathering?

Yahenni's Expertise is a rare black sorcery card from the 2017 Aether Revolt Promos set. It deals three damage to all creatures and allows the caster to cast a low-cost spell for free, making it a powerful board control tool.

### What does the 75s card number signify?

The 75s card number identifies this version of Yahenni's Expertise as a foil promo card within the Magic: The Gathering trading card game catalog. It distinguishes this promotional release from standard set prints.

### Why is this card sought after by collectors?

Collectors value the Yahenni's Expertise 75s foil for its unique treatment, its place in the Aether Revolt era, and its strategic gameplay utility. Its rarity and iconic mechanics make it a desirable addition for TCG enthusiasts.

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Last verified: 2025-11-29.