Tali Jen, Caster of Woes

At the beginning of each end step, if a
player lost life, cast a spell, and had a permanent enter the graveyard this turn,
each opponent discards a card, you gain 3 life, and you may return up to one target permanent card from a graveyard to the battlefield under your control.
{1}, {t}, Discard a card: Draw a card.