Nightmare [Collectors' Edition] Mountain the blocking creature gets -1/-1

the blocking creature gets -1/-1 until end of turn

It is not my home

Set: Battlebond Prerelease Promos Type: Legendary Creature — Human Rarity: Rare Cost: {2}{G} Partner with Toothy

Set: Oversize Cards Rarity: Rare Counter target spell if it is blue

"O to Be a Dragon"

Nightmare [Collectors' Edition] Mountain the blocking creature gets -1/-1Set: Collectors' 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.