Thought Monitor #121 – Commander: Murders at Karlov Manor (Rare)

Magic: The Gathering · Commander: Murders at Karlov Manor · Rare

Thought Monitor #121 Price

Thought Monitor (#121, Rare) from Commander: Murders at Karlov Manor is worth $1.03 in Near Mint condition on TCGplayer as of October 3, 2026. On Cardmarket, Europe's main marketplace, the Normal sells for €1.08.

Near Mint · TCGplayer: $1.03
Near Mint · Cardmarket: €1.08
30-day change: +28.7%
Printings: 1

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Thought Monitor prices by printing

Near Mint market prices, updated October 4, 2026.

Printing	TCGplayer (USD)	Cardmarket (EUR)
Normal	$1.03	€1.08

TCGplayer market price and Cardmarket price for Near Mint English copies. They are two separate markets, so the euro figure is Cardmarket's own price, not a conversion of the dollar one. Source: TCGplayer, Cardmarket.

Card details

Set: Commander: Murders at Karlov Manor
Card number: 121
Rarity: Rare
Released: February 9, 2024
Illustrator: Martina Pilcerova
Power / toughness: 2/2
Type line: Artifact Creature — Construct
Rules text: Affinity for artifacts
Flying
When Thought Monitor enters the battlefield, draw two cards.
Flavor text: It roams the skies over the Quicksilver Sea, alert for any hint of aberrant thought.

Thought Monitor: common questions

How much is Thought Monitor #121 worth?

Thought Monitor (#121, Rare) from Commander: Murders at Karlov Manor is worth $1.03 in Near Mint condition on TCGplayer as of October 3, 2026. On Cardmarket, Europe's main marketplace, the Normal sells for €1.08.

What set is Thought Monitor from?

Thought Monitor is card 121 in Commander: Murders at Karlov Manor, released February 9, 2024. Its rarity is Rare. Illustrated by Martina Pilcerova.

Is Thought Monitor going up in price?

Over the last 30 days the Near Mint Normal price on TCGplayer moved from $0.80 (September 5, 2026) to $1.03 (October 3, 2026), a change of +28.7%. The 30-day low was $0.80 and the high $1.03.

How do I check what my Thought Monitor is worth?

Scan it with the TCG Vault app on iPhone: it identifies the card from the camera in seconds and shows its current market price and price history, then keeps it in your collection so you can follow its value.