Nightmare [Fourth Edition (Foreign Black Border)] League Tokens 2013 While your LP is lower

While your LP is lower than your opponent's

(They can't be the targets of spells or abilities your opponents control

you can Tribute Summon this card with 1 Tribute

create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker

Set: Modern Masters 2017 Type: Instant Rarity: Rare Cost: {1}{U} Return target nonland permanent you don't control to its owner's hand

Nightmare [Fourth Edition (Foreign Black Border)] League Tokens 2013 While your LP is lowerSet: Fourth Edition (Foreign Black Border) 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.