
Plague Mare: Creature - Nightmare Horse, Core Set 2019. This creature can't be blocked by white creatures. Printings, prices, and format legality on Mana Grove.
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Plague Mare is a Magic: The Gathering card, an uncommon black creature from Core Set 2019 (M19), a core set released in July 2018. It is collector number 114 in that set, with art by G-host Lee. It costs {1}{B}{B} (one generic and two black mana) to cast, for a mana value of 3. It is a 2/2 creature. Its colour identity is black. It is legal in Pioneer, Modern, Legacy, Vintage, Commander, Duel Commander, Oathbreaker, Brawl, Historic, Timeless and Gladiator. Core Set 2019 is its only printing so far. The latest aggregated market price for this printing is $0.22 (normal finish, as of 2026-11-02).
This creature can't be blocked by white creatures.
When this creature enters, creatures your opponents control get -1/-1 until end of turn.
When it passes, those who sleep dream of sickness and death.
Latest aggregated market price for the normal finish of this printing: $0.22 (as of 2026-11-02).
The figure covers this printing only; other printings carry their own price on their own page.
Legality of Plague Mare by format. Formats in which it is not legal are not listed.
| Pioneer | Legal |
|---|---|
| Modern | Legal |
| Legacy | Legal |
| Vintage | Legal |
| Commander | Legal |
| Duel Commander | Legal |
| Oathbreaker | Legal |
| Brawl | Legal |
| Historic | Legal |
| Timeless | Legal |
| Gladiator | Legal |
One official ruling applies to Plague Mare.
Other creature cards with a black colour identity, ranked by how often they appear in Commander decks.