Nightmare (Retro) [30th Anniversary Edition] Human Mercenary Knight or will the monsters tear

or will the monsters tear down your walls and destroy the precious castle towers

Set: Dominaria United Commander Type: Legendary Artifact Rarity: Uncommon Cost: {3} Black creature spells you cast cost {1} less to cast

Whenever you cast a spell with cascade

Set: Eternal Masters Type: Sorcery Rarity: Uncommon Cost: {B} Choose a nonland card name

instead exile that spell and you may play that card without paying its mana cost

Nightmare (Retro) [30th Anniversary Edition] Human Mercenary Knight or will the monsters tearSet: 30th Anniversary 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. The Nightmare arises from its lair in the swamps. As the poisoned land spreads, so does the Nightmare's rage and terrifying strength.