I really struggled with making Falcon work, and this is the first deck for him that I got a win out of. Here are the basic ideas behind the choices in this build:

1: Boost Defense

With "Armored Vest", "Soaring Acrobatics", & "Vibranium Microweave" you can get your DEF up to 5. With "Battlefield Awareness" that can get as high as 8 or 9 depending on the pull.

2: Readies

Falcon wants to use his basics as much as possible, and when you are defending all the time, that's hard to make happen. With "Ever Vigilant", "Leading Blow", & "Indomitable", there's a few ways to ready, or at least stay ready.

3 Cosmo

Playing with the top card of the encounter deck revealed means that Cosmo will never need to take consequential damage, so putting a few boosts like "Sidearm" and "Cell Phone" will help the pupper do a little more here and there.

The rest of the build is focused on economy, with a few extra non-exhausting thwarting & damage options on the side. "Starhawk" can attack and thwart then return to your hand to either get played again or pay for something else. "Stop Hitting Yourself" with a DEF of 8 or 9 is really good, but situational at best.

Gonna keep puttering and hopefully I can get it more optimised.