This card was printed in the following sets:

Card Name: Symbol Set Block
Phthisis Time Spiral (Uncommon) Time Spiral Time Spiral Block
Phthisis Modern Masters (Uncommon) Modern Masters Miscellaneous
Phthisis Commander 2013 Edition (Uncommon) Commander 2013 Edition Miscellaneous
Phthisis Time Spiral Remastered (Uncommon) Time Spiral Remastered
Phthisis Adventures in the Forgotten Realms Commander (Uncommon) 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!