Mage-Blade Inquisitor

Vigilance
Whenever you would equip an Artifact to Mage-Blade Inquisitor, it costs {1} less to do so.
{w}{u}{1}: Mage-Blade Inquisitor gets +X/+X until the beginning of your next turn, where X is the number of Artifacts equipped to Mage-Blade Inquisitor. Cast only as a sorcery and only once per turn.