Grace of the Wind Gods

Strive - You may choose additional targets for each extra {w/u}{w/u} paid.
Choose one based on mana paid for the target:
{w}{u}: Target creature phases out, then phases in at your next upkeep.
{u}{u}: Return target creature to your hand.
{w}{w}: Target spell or ability has no effect on a creature.
Only creatures you control with total power and toughness equal to your devotion of white and blue can be helped by Grace of the Wind Gods.