Simikiel, Pale Absolution

Initiative, wither
Simikiel, Pale Absolution gets +1/+1 for each
-1/-1 counter on other creatures.
{r}{w}{w}{b}: Put a -1/-1 counter onto another
target creature. This creature gains indestructible
until end of turn.
"I keep my wounds fresh for her so she can see their
depth."— Traveler's diary