Vylnara, Moonlight Succubus

Lifelink, hexproof from white and from black
{b}{b}: Put a -1/-1 counter on a target Human
creature. If you do, put a +1/+1 counter on
Vylnara, Moonlight Succubus
(Activate this ability only during your upkeep
and up to three times each turn.)
{1}{w}: Remove two +1/+1 counters from Vylnara,
Moonlight Succubus. If you do, she gains
Shadow until end of turn