Liliana, Spark Surrendered

When Liliana, Spark Surrendered enters the battlefield, you may exile a target creature card from a graveyard. Create a token that's a copy of it, except it's a black Zombie in addition to its other types.
Whenever you cast a spell, target opponent discards three cards.
Whenever you lose or gain life, target creature gets -4/-4 until the end of turn.