Theiving Kulu-Ya-Ku

{2}{w}: Attatch target artifact to Theiving
Kulu-Ya-Ku as an Equipment. While attached, it loses all abilities, and gains "Equipped creature gets +X/+X, where X is half this card's converted mana cost rounded
up." You can only have one card equipped
to Theiving Kulu-Ya-Ku by this effect.