Hell Mongrel
Creature — Nightmare Dog
Discard a card: This creature gets +1/+1 until end of turn.
Madness 
(If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
- CMC
- 4
- Mana cost
- Color identity
- B
- Rarity
- common
- Set
- Modern Horizons 2
- Price
- $0.29
- EDHREC rank
- #13781
Hell Mongrel is a discard outlet that grows itself — pitch a card to give it +1/+1 until end of turn and make it unblockable, which is a real battlefield threat in any deck that wants its graveyard stocked. The cost is that it asks four mana for a 2/2 with no immediate impact, which is a steep rate to pay before the engine gets running.
Best Commanders
Commanders with the highest synergy
Anje Falkenrath
Anje Falkenrath decks are built to churn through madness cards as fast as possible, and Hell Mongrel serves double duty — it's a free discard outlet that fuels Anje's tap ability while threatening to close games as a growing, unblockable attacker once the graveyard is loaded.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | legal |
| oathbreaker | legal |
In Commander, Hell Mongrel earns its slot almost exclusively in madness and graveyard-value decks where a repeatable, free discard outlet is worth the four-mana entry fee. In Pauper it's legal and the common discard-outlet pool is shallower, so it sees occasional play in black-based reanimator shells that need ways to pitch fatties at instant speed. Legacy and Vintage have faster and cheaper discard outlets — Putrid Imp and Lotleth Troll set a hard bar — so Hell Mongrel doesn't compete there. Across the board, the ceiling for this card is narrow-but-genuine: when the deck wants exactly what it does, it's the right tool; outside that context, four mana for a 2/2 doesn't make the cut.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.29 bulk tier
At $0.29, Hell Mongrel is pure bulk — pick it up without a second thought if the deck calls for it. Bulk discard outlets with niche synergy rarely spike, so there's no urgency to buy multiples for speculation.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.