![Nightmare [Alpha Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/nightmare-alpha-edition.webp)
Description
| Set: | Alpha Edition |
| Type: | Creature — Nightmare Horse |
| Rarity: | Rare |
| Cost: | {5}{B} |
Flying (This creature can’t be blocked except by creatures with flying or reach.)
Nightmare’s power and toughness are each equal to the number of Swamps you control.
![Hostility [Lorwyn]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/hostility-lorwyn.webp)
![Zodiac Monkey [Portal Three Kingdoms]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/zodiac-monkey-portal-three-kingdoms.webp)
![Synapse Sliver [Legions]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/synapse-sliver-legions.webp)
![Mammoth Umbra [Planechase Anthology]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/mammoth-umbra-planechase-anthology.webp)
![Progenitus [From the Vault: Legends]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/progenitus-from-vault-legends.webp)
![Nissa, Vastwood Seer // Nissa, Sage Animist [Magic Origins Prerelease Promos]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/nissa-vastwood-seer-nissa-sage-animist-magic-origins-prerelease-promos.webp)
![Junun Efreet [Arabian Nights]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/junun-efreet-arabian-nights.webp)
![Pandemonium [Exodus]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/pandemonium-exodus.webp)