Nijena, Rogue of Aarnaga

When Nijena, Rogue of Aarnaga enters the battlefield, you may gain 2 life, draw a card,
chose and opponent: that player discards a
card and deal 1 damage to target creature or player.
Persist(When this permanent is put into a
graveyard from the battlefield,
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.)