Hetzica, Amsu's Prophet

When Hetzica, Amsu's Prophet enters the battlefield, choose one: Assassin; Advisor; Monk; Scout; Rebel; or Spellshaper. Hetzica is the chosen type in addition to its other types.
Creatures you control of the chosen type get +1/+1.
{w}{w}{u}{u}{b}{b}{r}{r}{g}{g}, {t}: Exile all nonland permanents that aren't of the chosen type.