Enishi, Shien's Chancellor (SDWA-EN011) [Structure Deck: Samurai Warlords]

Cannot be Normal Summoned or Set. Must be Special Summoned (from your hand) by banishing 2 "Six Samurai" monsters from your Graveyard, and cannot be Special Summoned by other ways. Once per turn: You can target 1 face-up monster; destroy that target. This card cannot declare an attack the turn you activate this effect.