Agent\'s Briefcase

Whenever one or more creatures you control infiltrate a player, choose up to X other attacking creatures, where X is the number of infiltrating creatures. Those creatures can’t be blocked this turn. {2},{T}, Sacrifice this artifact: Draw cards equal to the number of players you infiltrated this turn.{flavor}“People say that you can’t ever truly be prepared to kill. If you have to be, then bring one of these.”