Bronze Automaton Marker

When this is played from the Act II Horde library, remove any other Act Boss cards from the Act II Horde library. Put onto the battlefield under its control Bronze Automaton when the Act II Horde library is empty. When Bronze Automaton leaves the battlefield, each opponent looks at the top three cards of the Relic library and chooses one to put onto the battlefield under their control, put the rest on the bottom of the Relic library.