Spirit of the Desert's Hunger

Morbid - At the beginning of each combat step if
a creature died this turn, Spirit of the Desert's Hunger gains Flying until end of turn.
The Desert: the desert is a typical desert. Hot during the day, Freezing during the night and generally wanting to kill you.
Threats: Extreme Heat, Extreme cool, Giant vampires that want to eat you, Scorpions and snakes and a multitude of other dangerous conditions.
-Stalia Survival Guide, 4th Edition