Drag Under

As you cast Drag Under, look at target player's hand. You choose X noncreature, nonland cards from it, where X is the number of cards in your graveyard. That player dicards those cards. You lose X life.
Splice onto Horror {u}{b} (As you cast a Horror spell, you may reveal this card from your hand and
pay its spice cost. If you do, add this card's effects to that spell)