Your search for "rooftop assassin 103" revealed the following:
Rooftop Assassin (Foil) (OTJ) from Outlaws of Thunder Junction, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Josu Hernaiz Card Text:FlashFlying, lifelinkWhen Rooftop Assassin enters the battlefield, destroy target creature an opponent controls that was dealt damage this...
Rooftop Assassin (OTJ) from Outlaws of Thunder Junction, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Josu Hernaiz Card Text:FlashFlying, lifelinkWhen Rooftop Assassin enters the battlefield, destroy target creature an opponent controls that was dealt damage this turn....
Rooftop Bypass (ACR) from Assassin's Creed, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Pablo Mendoza Card Text:Whenever one or more nontoken creatures you control deal combat damage to a player, create a 1/1 black Assassin creature token...
Rooftop Bypass - Art Series (Gold-Stamped Signature) (AACR) from Assassin's Creed Art Series, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Pablo Mendoza