CW, Artful Artificer

+1: Up to one target creature becomes an artifact in addition to it's other types. It can't attack you until the beginning of your next upkeep.
-2: Tap all nonartifact nonland permanents. They do not untap during their controllers next untap step.
-6: Destroy all nonartifact nonland permanents. Gain life equal to the amount of permanents destroyed this way.