The Time Trapper

Shifting Identity - If The Time Trapper is your commander, choose a color before the game begins. The Time Trapper is the chosen color. Identity Revealed - {3}{B} Shuffle The Time Trapper into your library, reveal cards from the top of target players library until you reveal a Legendary Creature, you may cast that creature without paying it’s mana cost. it gains “{3}{B} shuffle this creature into the deck, place your commander from the command zone onto the battlefield”