Suli, Grandmother of Decay

Whenever another nontoken creature dies, create
a black 1/1 Crow creature token with flying.
{b}{g}, Sacrifice a Crow: Target player sacrifices a creature and loses 2 life.
"Gaze above; Nowhere to go.
Clip your wings; Fall below.
Can not move; Nowhere to fly.
Darken the heart; Silent cries."