Ateraxia, the Night Warden

{1}{g}, {t}: Tap target creature.
{3}{u}, {t}: Create a 3/3 white Spirit Guardian
creature token with Vigilance.
{5}{w}, {t}: Ateraxia, the Night Warden gets
+{x}/+{x} for each Spirit Guardian on the battlefield and gains trample and indestructible
until end of turn.