Rally the Skies

X is the number of noncreature spells that were
cast this turn.
You may draw up to X cards. Then put that
many 1/1 white Bird creature tokens with flying
onto the battlefield.
Rebound (If you cast this spell from your hand,
exile it as it resolves. At the beginning of your next
upkeep, you may cast this card from exile without
paying its mana cost.)