Nyphiads, Gods of Creativity

Indestructible, This spell can't be countered.
Nyphiads power and toughness are equal to
your devotion to blue, red, and green.
When you cast you first spell this turn, Nyphiads
become a creature. When you cast your second
spell this turn, Scry 3. When you cast your third
spell this turn, exile the top card of your library.
You may cast a card exiled with Nyphiads.
Add {u}{r}{g} to your mana pool.