---
name: "Shadow of Doubt"
mana_cost: "{U/B}{U/B}"
cmc: 2
type_line: "Instant"
colors: ["B", "U"]
color_identity: ["B", "U"]
keywords: []
set: "SLD"
set_name: "Secret Lair Drop"
collector_number: "414"
rarity: "rare"
artist: "Rorubei"
oracle_id: "b4b724bb-4c1c-4002-8eb8-bc8dd3f88e62"
canonical_url: "https://avascry.com/printing/shadow-of-doubt-sld"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Shadow of Doubt
- **Mana Cost:** `{U/B}{U/B}` (CMC: 2)
- **Type:** Instant

## Oracle Text
({U/B} can be paid with either {U} or {B}.)
Players can't search libraries this turn.
Draw a card.

> *Kaito followed the clues his sister gave him, only to find his friend dead at the hands of a monster.*

## Top 4096-Dim Neural Synergies
1. [Mindlock Orb](/printing/mindlock-orb-ala.md) — Artifact
2. [Rhystic Tutor](/printing/rhystic-tutor-pcy.md) — Sorcery
3. [Library of Lat-Nam](/printing/library-of-lat-nam-all.md) — Sorcery
4. [Imperial Seal](/printing/imperial-seal-2x2.md) — Sorcery
5. [Lurking Informant](/printing/lurking-informant-rav.md) — Creature — Human Rogue
6. [Heart of a Duelist](/printing/heart-of-a-duelist-mb2.md) — Enchantment

## Printing Details
- **Set:** Secret Lair Drop (SLD) #414
- **Rarity:** Rare
- **Artist:** Rorubei
- **Total Printings:** 10 across all historical editions

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