---
name: "Thought Monitor"
mana_cost: "{6}{U}"
cmc: 7
type_line: "Artifact Creature — Construct"
colors: ["U"]
color_identity: ["U"]
keywords: ["Flying", "Affinity"]
set: "J21"
set_name: "Jumpstart: Historic Horizons"
collector_number: "261"
rarity: "rare"
artist: "Martina Pilcerova"
oracle_id: "9deded8b-cec4-4ede-a50b-131404d456d4"
canonical_url: "https://avascry.com/printing/thought-monitor-j21"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Thought Monitor
- **Mana Cost:** `{6}{U}` (CMC: 7)
- **Type:** Artifact Creature — Construct
- **Power/Toughness:** 2/2
- **Keywords:** Flying, Affinity

## Oracle Text
Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
When this creature enters, draw two cards.

## Top 4096-Dim Neural Synergies
1. [Utrom Monitor](/printing/utrom-monitor-tmc.md) — Artifact Creature — Utrom Scientist
2. [Valkyrie Aerial Unit](/printing/valkyrie-aerial-unit-fin.md) — Artifact Creature — Construct
3. [Memory Guardian](/printing/memory-guardian-dft.md) — Artifact Creature — Robot Artificer
4. [Somber Hoverguard](/printing/somber-hoverguard-mm2.md) — Creature — Drone
5. [Rook Turret](/printing/rook-turret-fin.md) — Artifact Creature — Construct
6. [Chromescale Drake](/printing/chromescale-drake-dst.md) — Creature — Drake

## Printing Details
- **Set:** Jumpstart: Historic Horizons (J21) #261
- **Rarity:** Rare
- **Artist:** Martina Pilcerova
- **Total Printings:** 47 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`