Staunch Shieldmate

Concordia Pegasus

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

Destroy target creature with power 4 or greater.

Defender (This creature can't attack.)
Attacking creatures you control get +1/+0.

Whenever Falconer Adept attacks, create a 1/1 white Bird creature token with flying that's tapped and attacking.

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

{1}{W}, {T}: Tap target creature. Activate only if you control a creature with flying.

Flying
When Aven Gagglemaster enters, you gain 2 life for each creature you control with flying.