Necklace of Wind

Whenever Necklace of Wind enters the battlefield, each white creature you control gets +1/+1 and target creature gains flying
{1}{w}, {t}: detain target creature with power 4 or less until end of turn
{4}{w}, sacrifice Necklace of wind: each white creature you control gains flying until end of turn. Destroy target flying creature you don't control
"Do not underestimate the power of wind"