This card was printed in the following sets:

Card Name: Symbol Set Block
Karn, Silver Golem Urza's Saga (Rare) Urza's Saga Urza's Block
Karn, Silver Golem From the Vault: Relics (Mythic Rare) From the Vault: Relics Miscellaneous
Karn, Silver Golem Vintage Masters (Rare) Vintage Masters Miscellaneous

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!