Overpowered Machine

All creatures you control with flying gain +1/+1
for each other creature with flying you control.
Each time any creature attacks, create a 1/1 white Chicken creature token with flying and hexproof.
{1}: Create a 1/1 white Chicken creature token
with flying and hexproof.
{t}: All Chickens you control have deathtouch, indestructible, and lifelink until the end of the
turn.