Nightmare [Fourth Edition (Foreign Black Border)] League Tokens 2013 you can Tribute Summon this

you can Tribute Summon this card with 1 Tribute

The equipped monster becomes an Insect monster

If a monster Special Summoned from the Extra Deck is on the field: You can Special Summon this card from your hand

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

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

Nightmare [Fourth Edition (Foreign Black Border)] League Tokens 2013 you can Tribute Summon thisSet: 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.