Enchant artifact
As long as enchanted artifact isn't a creature, it's an artifact creature with power and toughness each equal to its converted mana cost.
Near Mint - $4.40
Near Mint Non-English - $4.40
Lightly Played - $3.90
Lightly Played Non-English - $3.90
Played - $3.10
Played Non-English - $3.10
Heavily Played - $2.60
Heavily Played Non-English - $2.60
Damaged - $2.20
Damaged Non-English - $2.20