The rising of the first full moon eliminated any doubt as to the horrible truth lurking within.

Afflicted Deserter

At the beginning of each upkeep, if no spells were cast last turn, transform this creature.

Werewolf Ransacker

Whenever this creature transforms into Werewolf Ransacker, you may destroy target artifact. If that artifact is put into a graveyard this way, this creature deals 3 damage to that artifact's controller.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Afflicted Deserter / Werewolf Ransacker