![Nightmare [Unlimited Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/nightmare-unlimited-edition.webp)
Description
| Set: | Unlimited 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.
![Vesuva [From the Vault: Realms]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/vesuva-from-vault-realms.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)
![Hostility [Lorwyn]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/hostility-lorwyn.webp)
![Underworld Dreams [Magic 2010]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/underworld-dreams-magic-2010.webp)
![Underground River [Tenth Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/underground-river-tenth-edition.webp)
![Junun Efreet [Arabian Nights]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/junun-efreet-arabian-nights.webp)
![Living Artifact [Beta Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/living-artifact-beta-edition.webp)