Pride of the Clouds

Pride of the Clouds gets +1/+1 for each other creature with flying on the battlefield.
Forecast-{2}{w}{u}, Reveal Pride of the Clouds from your hand: Create a 1/1 {w/u} bird
creature token with flying.(Active this ability only during your upkeep)
"Not only the pride of the clouds, but the
pride of the nest too." - Henrique Arryn.