Silverbeak Griffin

Flying (This creature can't be blocked except by creatures with flying or reach.)

Daybreak Charger

When Daybreak Charger enters, target creature gets +2/+0 until end of turn.

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Target creature gets +2/+2 and gains flying until end of turn.

Whenever Star-Crowned Stag attacks, tap target creature defending player controls.

Vigilance (Attacking doesn't cause this creature to tap.)
When Valorous Steed enters, create a 2/2 white Knight creature token with vigilance.

Flying
When Gale Swooper enters, target creature gains flying until end of turn.