---
name: "Sign in Blood"
mana_cost: "{B}{B}"
cmc: 2
type_line: "Sorcery"
colors: ["B"]
color_identity: ["B"]
keywords: []
set: "M10"
set_name: "Magic 2010"
collector_number: "112"
rarity: "common"
artist: "Howard Lyon"
oracle_id: "c6207f6a-a624-4754-88f5-dbe700c841ff"
canonical_url: "https://avascry.com/printing/sign-in-blood-m10"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "legal"
  penny: "not_legal"
---

# Sign in Blood
- **Mana Cost:** `{B}{B}` (CMC: 2)
- **Type:** Sorcery

## Oracle Text
Target player draws two cards and loses 2 life.

> *"Você sempre soube o quanto custa me importunar, e ainda assim me procurou. Por que agora resolveu hesitar?" —Demônio de Xathrid*

## Top 4096-Dim Neural Synergies
1. [Blood Pact](/printing/blood-pact-mid.md) — Instant
2. [Painful Lesson](/printing/painful-lesson-plst.md) — Sorcery
3. [Damnable Pact](/printing/damnable-pact-c17.md) — Sorcery
4. [Gruesome Realization](/printing/gruesome-realization-bro.md) — Sorcery
5. [Night's Whisper](/printing/nights-whisper-ddm.md) — Sorcery
6. [Pointed Discussion](/printing/pointed-discussion-vow.md) — Sorcery

## Printing Details
- **Set:** Magic 2010 (M10) #112
- **Rarity:** Common
- **Artist:** Howard Lyon
- **Total Printings:** 90 across all historical editions

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