Beloved of Fireflies

When Beloved of Fireflies enters the battlefield Proliferate. (You choose any number of permanents and/or players with counters on them, then give each another counter of a kind already there.)
Vigilance, Persist (When this creature dies, if
it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)