Lola Transvaal, Experiventor

When Lola Transvaal, Experiventor enters the battlefield, shuffle your library, then reveal the top card. If it's an artifact card with converted mana cost less than or equal to the amount of mana spent to cast Lola, put it onto the battlefield. Otherwise, draw X cards.
Whenever another Artificer enters the battlefield under your control, you may return Lola to its owner's hand.