Coralin, Aspect of Contagion

Flying, Wither
Whenever you place one or more -1/-1 counters
on a creature, create a 1/2 black and green spider
creature token with wither and reach.
{b}{r/g}, {t}, Sacrifice a creature: Destroy target
creature with a -1/-1 counter on it.
"Lord of Innistrad? Olivia, you will see that cocktails
and parties don't make power." - Carolin Markov to
Olivia Voldaren.