This card was printed in the following sets:

Card Name: Symbol Set Block
Chain Reaction Worldwake (Rare) Worldwake Zendikar Block
Chain Reaction Magic: The Gathering-Commander (Rare) Magic: The Gathering-Commander Miscellaneous
Chain Reaction Commander 2015 (Rare) Commander 2015 General
Chain Reaction Commander 2018 (Rare) Commander 2018 Miscellaneous
Chain Reaction Commander 2021 (Rare) Commander 2021
Chain Reaction Adventures in the Forgotten Realms Commander (Rare) Adventures in the Forgotten Realms 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.

Gatherer works better in the Companion app!