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 predh, Legal in penny, Legal in paupercommander, Legal in legacy, Legal in vintage, Legal in modern, Legal in pauper, Legal in duel, Legal in oathbreaker, Legal in commander Price: $0.10 Foil price: $0.28