---
name: "Thought Prison"
mana_cost: "{5}"
cmc: 5
type_line: "Artifact"
colors: []
color_identity: []
keywords: ["Imprint"]
set: "MRD"
set_name: "Mirrodin"
collector_number: "261"
rarity: "uncommon"
artist: "Glen Angus"
oracle_id: "da1ea03f-747f-46c9-8ff5-7e85996df804"
canonical_url: "https://avascry.com/printing/thought-prison-mrd"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Thought Prison
- **Mana Cost:** `{5}` (CMC: 5)
- **Type:** Artifact
- **Keywords:** Imprint

## Oracle Text
Imprint — When this artifact enters, you may have target player reveal their hand. If you do, choose a nonland card from it and exile that card.
Whenever a player casts a spell that shares a color or mana value with the exiled card, this artifact deals 2 damage to that player.

## Top 4096-Dim Neural Synergies
1. [Knowledge Pool](/printing/knowledge-pool-mbs.md) — Artifact
2. [River Song's Diary](/printing/river-songs-diary-who.md) — Artifact — Book
3. [Semblance Anvil](/printing/semblance-anvil-som.md) — Artifact
4. [You Find Some Prisoners](/printing/you-find-some-prisoners-afr.md) — Instant
5. [Panoptic Mirror](/printing/panoptic-mirror-dst.md) — Artifact
6. [Chrome Mox](/printing/chrome-mox-2xm.md) — Artifact

## Printing Details
- **Set:** Mirrodin (MRD) #261
- **Rarity:** Uncommon
- **Artist:** Glen Angus
- **Total Printings:** 9 across all historical editions

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