10 cards where the illustration contains “mortis-dog”

Festering Wound (Urza's Destiny #61)
Hollow Dogs (Urza's Saga #137)
Koth's Courier (Mirrodin Besieged #68)
Mortis Dogs (New Phyrexia #66)
Plague Dogs (Urza's Destiny #66)
Rain of Filth (Urza's Saga #151)
Reprocess (Urza's Saga #154)
Slagstorm (Mirrodin Besieged #75)
Spined Fluke (Urza's Saga #160)
Vapor Snag (New Phyrexia #48)

The message was clear to Sorin—time to search for something else.