Yegee, The Enlighten One

Must play 10 {Riddle} as {Yegee, The Troubled One} before ascending to {Yegee, The Enlighten One}
Choose one of the following effects:
-{1} Play 1 {Riddle} from hand without paying the cost
-{1} Play 1 {Church of Yegee} creature without paying the cost
-{10} Play {Dangerous Concoction} from Library, Hand or Graveyard