This card was printed in the following sets:

Card Name: Symbol Set Block
Thought Monitor Modern Horizons 2 (Rare) Modern Horizons 2
Thought Monitor Modern Horizons 2 (Rare) Modern Horizons 2
Thought Monitor The Brothers' War Commander (Rare) The Brothers' War Commander
Thought Monitor Murders at Karlov Manor Commander (Rare) Murders at Karlov Manor Commander

This card has restrictions in the following formats:

Format Legality
Modern Legal
Legacy Legal
Vintage Legal
Commander Legal
x For more information regarding each format and play style modifications, visit the Banned / Restricted Lists for DCI-Sanctioned Tournaments page on the Magic: The Gathering website.
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