Horobi's Whisper
Description
If you control a Swamp, destroy target nonblack creature.
Splice onto Arcane—Remove four cards in your graveyard from the game. (As you play an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
Splice onto Arcane—Remove four cards in your graveyard from the game. (As you play an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)