Throne Of Want

As Throne Of Want enters the battlefield, you
may search your library for a card named Throne Watcher or Throne Defender and put it into your
hand. If you do, shuffle your library and Throne
Of Want enters the battlefield tapped.
{t}: Add {c} to your manna pool.
{t}, Pay 3 life: Add three manna in any
combination of colors to your manna pool.