# 2021 Magic: The Gathering Jumpstart: Historic Horizons #339

> The Hell Mongrel (J21 #339) is a common Black Creature — Nightmare Dog from the 2021 Jumpstart: Historic Horizons expansion, featuring a unique Madness mechanic.

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## Identity

- **Year**: 2021
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Jumpstart: Historic Horizons
- **Card number**: #339
- **Product type**: TCG_CARD

## Description

The Hell Mongrel is a four-mana Black Creature — Nightmare Dog from the Magic: The Gathering 2021 Jumpstart: Historic Horizons expansion. Identified by card number 339 in the J21 set code, this common card offers players a versatile threat that can be cast from the graveyard or the hand, thanks to its built-in Madness ability. The card features artwork by Robbie Trevino, bringing the spectral beast to life within the set's distinct visual framework. In gameplay, the Hell Mongrel enters the battlefield as a 4/3 body, providing immediate board presence for a relatively low mana investment. Its most notable feature is the Madness cost of {2}{B}, which allows players to discard the card from their hand to cast it for that reduced price. This mechanic adds a layer of strategic depth, enabling deck builders to manipulate their graveyard while still generating value on the battlefield. Additionally, the card possesses an activated ability that lets players discard a card to give it +1/+1 until end of turn, further enhancing its durability in combat scenarios. Collectors of Magic: The Gathering trading cards often seek out cards from the Jumpstart: Historic Horizons set due to its innovative format and accessible entry point into the game's history. The Hell Mongrel, as a staple Black creature, represents the thematic elements of death and decay that define the color in the game's lore. For those building thematic decks or completing set collections, this card serves as a functional and thematic addition. The design of the Hell Mongrel reflects the standard layout of the era, prioritizing clarity and readability for gameplay. Its creature type, Nightmare Dog, places it within specific tribal synergies that some players enjoy exploring. As part of the broader Magic: The Gathering ecosystem, cards like this contribute to the rich tapestry of strategies and narratives that define the game. Whether used in casual play or competitive environments, the Hell Mongrel remains a recognizable and useful component of the Black mana pool.

## FAQ

### What is the Madness mechanic on the Hell Mongrel?

Madness allows a player to discard the card from their hand instead of putting it into the graveyard. When discarded, it is exiled, and the player may cast it for its Madness cost or put it into their graveyard. This provides a second chance to use the card's effects.

### What are the stats and type of the Hell Mongrel?

The Hell Mongrel is a Creature — Nightmare Dog with a mana value of 4. It has a power and toughness of 4/3, making it a moderately sized threat that can be cast for {3}{B} from the hand.

### Which set does the Hell Mongrel belong to?

The Hell Mongrel is part of the Jumpstart: Historic Horizons expansion, released in 2021. It is card number 339 in the J21 set and is classified as a Common rarity card.

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- [llms.txt](https://supercatch.com/llms.txt) — site-level concise index.
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Last verified: 2025-11-29.