7 cards where the illustration contains “decay-elemental”

Grave Sifter (Commander 2014 #44)
Lord of Extinction (Alara Reborn #91)
Rotted Hulk (Journey into Nyx #81)
Skullbriar, the Walking Grave (Commander 2011 #227)
Skullmulcher (Shards of Alara #148)
Splinterfright (Innistrad #205)
Woodwraith Corrupter (Ravnica: City of Guilds #240)

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