Susurro de Horobi

Instantáneo — Arcano, 1BB (3)
Si controlas un pantano, destruye la criatura objetivo que no sea negra.
Empalmar con lo arcano—Remover del juego cuatro cartas de tu cementerio. (En cuanto juegues un hechizo arcano, puedes mostrar esta carta de tu mano y pagar su coste de empalme. Si lo haces, agrega los efectos de esta carta a ese hechizo).
Illus. Aleksi Briclot

Instant - Arcane
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.)¹

Gatherer Card Rulings [Nov 2009]

• 2/1/2005: Horobi's Whisper can target a creature even if you don't control a Swamp, but the spell does nothing.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/8)	Traidores de Kamigawa (Common)