Zuka, Lord of Trash

{x}: Put target artifact in your graveyard with converted mana cost X or less onto the battlefield.
You may equip it to Zuka. It becomes an Equipment with "Equipped creature gains +X/+X where X is
this permanent's CMC." in addition to its other effects and types.
"Who should be sitting upon the throne massive of junk,
but the Lord of Trash himself?"