John Steward, Green Lantern

{x}{g}: Create a copy of target artifact with converted mana cost "X"; if that artifact is an equipment, you may attach it to John Steward, Green Lantern. Exile it at the beginning of the next end step.
"In brightest day, in blackest night, no evil shall escape my sight. Let those who worship evil's might, beware my power-Green Lantern's Light!"
-Green Lantern Oath