Malenia, Goddess of Rot

Transforms from Malenia, Blade of Miquella.
Flying, indestructible, infect
Whenever a creature is dealt damage by you or a creature you control, you may put a -1/-1 counter on that creature.
Whenever another creature with a -1/-1 counter dies, put a +1/+1 counter on Malenia, Goddess of Rot.