---
name: "Horobi's Whisper"
mana_cost: "{1}{B}{B}"
cmc: 3
type_line: "Instant — Arcane"
colors: ["B"]
color_identity: ["B"]
keywords: ["Splice"]
set: "BOK"
set_name: "Betrayers of Kamigawa"
collector_number: "70"
rarity: "common"
artist: "Aleksi Briclot"
oracle_id: "2447f1f4-3569-4afb-a119-2ad9778eaf39"
canonical_url: "https://avascry.com/printing/horobis-whisper-bok"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "legal"
  penny: "legal"
---

# Horobi's Whisper
- **Mana Cost:** `{1}{B}{B}` (CMC: 3)
- **Type:** Instant — Arcane
- **Keywords:** Splice

## Oracle 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.)

## Top 4096-Dim Neural Synergies
1. [Snuff Out](/printing/snuff-out-mmq.md) — Instant
2. [Dark Triumph](/printing/dark-triumph-plst.md) — Instant
3. [Mind Swords](/printing/mind-swords-nem.md) — Sorcery
4. [Sink into Takenuma](/printing/sink-into-takenuma-plst.md) — Sorcery — Arcane
5. [Nighthaze](/printing/nighthaze-roe.md) — Sorcery
6. [Wear Away](/printing/wear-away-chk.md) — Instant — Arcane

## Printing Details
- **Set:** Betrayers of Kamigawa (BOK) #70
- **Rarity:** Common
- **Artist:** Aleksi Briclot
- **Total Printings:** 9 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `legal` | Pioneer: `not_legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `legal` | Penny: `legal`