Gaurdian of wings

Flying, first strike, hexproof from colorless

Whenever another nontoken creature leaves the battlefield, create a 1/1 black bird creature token with flying.

Whenever a creature you control attacks or blocks a creature your opponent controls, it gets +1/+1 and double strike until end of turn

"As the chittering flesh was being eaten away, i saw its siluete and it was magnificent... hope in the form
of an avian"