# 2021 Magic: The Gathering Adventures in the Forgotten Realms Promos #259a

> The 259a foil promo version of Lair of the Hydra from the 2021 Adventures in the Forgotten Realms set. This rare land card offers versatile gameplay by functioning as both a mana source and a creature.

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## Identity

- **Year**: 2021
- **Brand**: Magic: The Gathering
- **Set**: Adventures in the Forgotten Realms Promos
- **Card Number**: 259a
- **Featured**: Lair of the Hydra
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Type**: Land
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

The 259a foil promo card known as Lair of the Hydra is a distinct release from the 2021 Adventures in the Forgotten Realms Promos set within the Magic: The Gathering trading card game. As a green mana source with a mana value of zero, it integrates seamlessly into decks requiring green mana production while offering strategic depth through its conditional effects. The gameplay mechanics for this card allow it to adapt to the board state. It enters the battlefield tapped if you control two or more other lands, a design choice that encourages careful sequencing during the early turns. Once on the battlefield, tapping the card adds one green mana to your pool. The most distinctive feature is its ability to transform into a creature. By paying {X}{G}, you can turn this land into an X/X green Hydra creature until the end of turn, while retaining its land type. This allows X to be any value except zero, providing flexibility for both defense and offense. Collectors of Magic: The Gathering often appreciate the foil treatment applied to this promotional release, which enhances its visual presence in a collection. The card’s ability to shift between a static mana provider and a dynamic creature makes it a favorite for experimental deck building. This product represents a specific moment in the Adventures in the Forgotten Realms era, capturing the imaginative spirit of the franchise through its rules text. The foil finish ensures that the card remains a premium addition to any organized collection, distinguishing it from standard non-promo prints.

## FAQ

### What does Lair of the Hydra do in Magic: The Gathering?

Lair of the Hydra is a land that adds one green mana when tapped. If you control two or more other lands, it enters the battlefield tapped. You can also pay {X}{G} to make it an X/X green Hydra creature until end of turn.

### What is the card number for this promo card?

This promotional release is numbered 259a within the Adventures in the Forgotten Realms Promos set. It is categorized as a rare card with a foil finish.

### Who is the artist of the Lair of the Hydra card?

The artwork for this card was created by Johannes Voss. He is known for his detailed illustrations in the Magic: The Gathering trading card game.

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Editorial content updated: 2026-10-06.

Site deployment: 2025-11-29.