Prismatic Celestial

Prismatic Celestial is all colors.
When you cast Prismatic Celestial, choose one
of these casting costs: {w}{w/u}, {w}{g/u}, or {w}{w/u}{g/w}.
If you paid {w}, Prismatic Celestial enters the
battlefield with a flying counter on it.
If you paid {u}, Prismatic Celestial has flash.
If you paid {g}, Prismatic Celestial enters the
battlefield with 2 +1/+1 counters on it.