---
name: "Trail of Evidence"
mana_cost: "{2}{U}"
cmc: 3
type_line: "Enchantment"
colors: ["U"]
color_identity: ["U"]
keywords: ["Investigate"]
set: "SOI"
set_name: "Shadows over Innistrad"
collector_number: "93"
rarity: "uncommon"
artist: "Daniel Ljunggren"
oracle_id: "e10065ba-fe24-4974-a500-d4151397a4d9"
canonical_url: "https://avascry.com/printing/trail-of-evidence-soi"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Trail of Evidence
- **Mana Cost:** `{2}{U}` (CMC: 3)
- **Type:** Enchantment
- **Keywords:** Investigate

## Oracle Text
Whenever you cast an instant or sorcery spell, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

> *"모든 해답이 더욱 끔찍한 질문을 낳는군." —제이스 벨레렌*

## Top 4096-Dim Neural Synergies
1. [Evidence Examiner](/printing/evidence-examiner-mkm.md) — Creature — Merfolk Detective
2. [Deduce](/printing/deduce-mkm.md) — Instant
3. [Ongoing Investigation](/printing/ongoing-investigation-soi.md) — Enchantment
4. [Fleeting Memories](/printing/fleeting-memories-sir.md) — Enchantment
5. [Thorough Investigation](/printing/thorough-investigation-afc.md) — Enchantment
6. [Armed with Proof](/printing/armed-with-proof-mkc.md) — Enchantment

## Printing Details
- **Set:** Shadows over Innistrad (SOI) #93
- **Rarity:** Uncommon
- **Artist:** Daniel Ljunggren
- **Total Printings:** 12 across all historical editions

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