Boss Uramon, Shadow's Reach is a rare Legendary Creature — Human Rogue card from Mystery Booster: Commander Edition (MBC), collector number 13.
Shadow (This creature can block or be blocked by only creatures with shadow.) Attacking Ninjas and Rogues you control have deathtouch. Whenever one or more Ninjas and/or Rogues you control deal combat damage to a player, create a 1/1 black Rat Rogue creature token.