It roams the skies over the Quicksilver Sea, alert for any hint of aberrant thought.

Foundations Jumpstart

Thought Monitor

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
When Thought Monitor enters, draw two cards.

Murders at Karlov Manor Commander

Affinity for artifacts
Flying
When Thought Monitor enters the battlefield, draw two cards.

The Brothers' War Commander

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
When Thought Monitor enters the battlefield, draw two cards.

Jumpstart: Historic Horizons

Modern Horizons 2

Mood: An efficient, well-designed machine.