Devolve is a 2 Mana Cost Rare Shaman Spell card from the Mean Streets of Gadgetzan set!
Transform all enemy minions into random ones that cost (1) less.
Flavor TextRagnaros looked down. He looked like some kind of War Golem. "WHAT HAVE YOU DONE TO ME," he yelled. But all that came out was a deep grinding sound. He began to cry.
These are the most recent decks that have featured Devolve in the last year.