Caller In The Darkness

Devour 1, Fear, Shadow
When a creature an opponent controls dies, put a
+1/+1 counter on Caller In The Darkness.
When Caller In The Darkness deals lethal damage,
put a +1/+1 counter on Caller In The Darkness.
This entity appears as a roiling bank or cloud of pale
mist, with dozens of silently screaming humanoid faces discernible in the milky vapor.