Verahorn, Spirit of Chaos

If it is day Verahorn, Spirit of Chaos has trample until
night.
If it is night Verahorn, Spirit of Chaos has fear and a
+2/-2 until day.
{w}{b}{2}: Change the time
of day to the opposite of what it currently is.
(Play as a instant.)
{r}{g}{1}{t} Sacrifice a creature: Shift to
the next plains area until end of turn. Then
revert back to the old Plains on your end step.