---
name: "Behind the Mask"
mana_cost: "{U}"
cmc: 1
type_line: "Instant"
colors: ["U"]
color_identity: ["U"]
keywords: ["Collect evidence"]
set: "MKM"
set_name: "Murders at Karlov Manor"
collector_number: "39"
rarity: "common"
artist: "Caio Monteiro"
oracle_id: "85ac3efc-5e19-4661-b52f-116f57e39581"
canonical_url: "https://avascry.com/printing/behind-the-mask-mkm"
legalities:
  commander: "legal"
  standard: "legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "legal"
  penny: "legal"
---

# Behind the Mask
- **Mana Cost:** `{U}` (CMC: 1)
- **Type:** Instant
- **Keywords:** Collect evidence

## Oracle Text
As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.)
Until end of turn, target artifact or creature becomes an artifact creature with base power and toughness 4/3. If evidence was collected, it has base power and toughness 1/1 until end of turn instead.

## Top 4096-Dim Neural Synergies
1. [Illusionary Mask](/printing/illusionary-mask-leb.md) — Artifact
2. [Suit Up](/printing/suit-up-neo.md) — Instant
3. [Bite Down on Crime](/printing/bite-down-on-crime-mkm.md) — Sorcery
4. [Dragon Mask](/printing/dragon-mask-plst.md) — Artifact
5. [Urgent Necropsy](/printing/urgent-necropsy-pmkm.md) — Instant
6. [Conspiracy Unraveler](/printing/conspiracy-unraveler-mkm.md) — Creature — Sphinx Detective

## Printing Details
- **Set:** Murders at Karlov Manor (MKM) #39
- **Rarity:** Common
- **Artist:** Caio Monteiro
- **Total Printings:** 7 across all historical editions

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