Your search for "Midnight Assassin 460" revealed the following:
Midnight Assassin (SNC) from Streets of New Capenna, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Christina Davis Card Text:Flying, deathtouch
Midnight Assassin (Foil) (SNC) from Streets of New Capenna, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Christina Davis Card Text:Flying, deathtouch
Midnight Assassin (J25) from Foundations Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Christina Davis Card Text:FlyingDeathtouch (Any amount of damage this deals to a creature is enough to destroy it.)