When this enters the battlefield, choose one —
• Seek 2 artifact cards onto the battlefield each with a total mana value of 4 or less.
• Seek an artifact card onto the battlefield with a total mana value of 5 or more.
• Surveil 6. Any artifact cards put into the graveyard from this effect instead are put onto the battlefield.
Whenever an artifact card enters or leaves the battlefield, surveil 2.