This card was printed in the following sets:

Card Name: Symbol Set Block
Voltaic Key Magic 2011 (Uncommon) Magic 2011 Core Sets
Voltaic Key Urza's Saga (Uncommon) Urza's Saga Urza's Block
Voltaic Key Duel Decks: Phyrexia vs. the Coalition (Uncommon) Duel Decks: Phyrexia vs. the Coalition Miscellaneous

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!