This card was printed in the following sets:

Card Name: Symbol Set Block
Phyrexian Obliterator New Phyrexia (Mythic Rare) New Phyrexia Scars of Mirrodin
Phyrexian Obliterator Masters 25 (Mythic Rare) Masters 25 Miscellaneous
Phyrexian Obliterator Historic Anthology 3 (Mythic Rare) Historic Anthology 3

This card has restrictions in the following formats:

Format Legality
Modern Legal
Legacy Legal
Vintage Legal
Commander Legal
Historic Legal
Explorer Banned
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!