Name: Horobi's Whisper Cost: 1BB CMC: 3 Color: B CID: B Type: Instant -- Arcane Rules Text: If you control a Swamp, destroy target nonblack creature. Splice onto Arcane--Exile four cards from your graveyard. (As you cast 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.) Set/Rarity: Betrayers of Kamigawa common, Modern Masters uncommon Legality: Legal in vintage, Legal in oathbreaker, Legal in penny, Legal in legacy, Legal in pauper, Legal in modern, Legal in commander, Legal in predh, Legal in paupercommander, Legal in duel Price: $0.10 Foil price: $0.29