Nightmare [Alpha Edition] Forest Plains This effect can be activated

This effect can be activated during either player's turn

except "Amunessia

'" —*The Arabian Nights*

when a monster(s) would be Summoned: You can negate the Summon

if this card is in the GY because it was destroyed in your Monster Zone by an opponent's card and sent there this turn: Special Summon this card from your GY

Nightmare [Alpha Edition] Forest Plains This effect can be activatedSet: 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. The Nightmare arises from its lair in the swamps. As the poisoned land spreads, so does the Nightmare's rage and terrifying strength.