Memnarch Rebuilded

While Memnarch, Rebuilded stays in the battlefield, all cards in your hand get Artifact type aside from the orginal type.
Artifact Spells cost {1} less to cast.
{3}{u}{u}{e}{e}: Choose target player, take control of all artifacts that he or she controls.
"My Perfection still reigns across Mirrodin, and soon Kaladesh"