This card was printed in the following sets:

Card Name: Symbol Set Block
Etherium-Horn Sorcerer Planechase 2012 Edition (Rare) Planechase 2012 Edition Miscellaneous
Etherium-Horn Sorcerer Commander 2015 (Rare) Commander 2015 General
Etherium-Horn Sorcerer Commander 2016 (Rare) Commander 2016 General
Etherium-Horn Sorcerer Planechase Anthology (Rare) Planechase Anthology General
Etherium-Horn Sorcerer Commander 2017 (Rare) Commander 2017 General

This card has restrictions in the following formats:

Format Legality
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!